Home / 92,001.30-138,001.95-49,901.55

Finding the Fourth Proportional to 92,001.30, 138,001.95 and 49,901.55

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Solution

The fourth proportional to 92,001.30, 138,001.95 and 49,901.55 is: 74,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,001.30 : 138,001.95 = 49,901.55 : x
  2. Step 2: Convert to fraction form
    92,001.30/138,001.95 = 49,901.55/x
  3. Step 3: Cross multiply
    92,001.30x = 138,001.95 × 49,901.55
  4. Step 4: Simplify right side
    92,001.30x = 6,886,511,208.02
  5. Step 5: Solve for x
    x = 6,886,511,208.02/92,001.30
  6. Step 6: Final answer
    x = 74,852.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.