Home / 99,761.43-137,673.71-54,442.35

Finding the Fourth Proportional to 99,761.43, 137,673.71 and 54,442.35

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Solution

The fourth proportional to 99,761.43, 137,673.71 and 54,442.35 is: 75,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,761.43 : 137,673.71 = 54,442.35 : x
  2. Step 2: Convert to fraction form
    99,761.43/137,673.71 = 54,442.35/x
  3. Step 3: Cross multiply
    99,761.43x = 137,673.71 × 54,442.35
  4. Step 4: Simplify right side
    99,761.43x = 7,495,280,273.64
  5. Step 5: Solve for x
    x = 7,495,280,273.64/99,761.43
  6. Step 6: Final answer
    x = 75,132.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.