Home / 92,548.73-138,805.59-45,116.21

Finding the Fourth Proportional to 92,548.73, 138,805.59 and 45,116.21

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Solution

The fourth proportional to 92,548.73, 138,805.59 and 45,116.21 is: 67,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,548.73 : 138,805.59 = 45,116.21 : x
  2. Step 2: Convert to fraction form
    92,548.73/138,805.59 = 45,116.21/x
  3. Step 3: Cross multiply
    92,548.73x = 138,805.59 × 45,116.21
  4. Step 4: Simplify right side
    92,548.73x = 6,262,382,147.61
  5. Step 5: Solve for x
    x = 6,262,382,147.61/92,548.73
  6. Step 6: Final answer
    x = 67,665.78

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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.