Home / 53,962.10-80,943.15-49,123.70

Finding the Fourth Proportional to 53,962.10, 80,943.15 and 49,123.70

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Solution

The fourth proportional to 53,962.10, 80,943.15 and 49,123.70 is: 73,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,962.10 : 80,943.15 = 49,123.70 : x
  2. Step 2: Convert to fraction form
    53,962.10/80,943.15 = 49,123.70/x
  3. Step 3: Cross multiply
    53,962.10x = 80,943.15 × 49,123.70
  4. Step 4: Simplify right side
    53,962.10x = 3,976,227,017.66
  5. Step 5: Solve for x
    x = 3,976,227,017.66/53,962.10
  6. Step 6: Final answer
    x = 73,685.55

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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.