Home / 92,081.50-138,122.25-60,909.46

Finding the Fourth Proportional to 92,081.50, 138,122.25 and 60,909.46

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Solution

The fourth proportional to 92,081.50, 138,122.25 and 60,909.46 is: 91,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,081.50 : 138,122.25 = 60,909.46 : x
  2. Step 2: Convert to fraction form
    92,081.50/138,122.25 = 60,909.46/x
  3. Step 3: Cross multiply
    92,081.50x = 138,122.25 × 60,909.46
  4. Step 4: Simplify right side
    92,081.50x = 8,412,951,661.49
  5. Step 5: Solve for x
    x = 8,412,951,661.49/92,081.50
  6. Step 6: Final answer
    x = 91,364.19

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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.