Home / 84,402.59-126,557.17-34,517.72

Finding the Fourth Proportional to 84,402.59, 126,557.17 and 34,517.72

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Solution

The fourth proportional to 84,402.59, 126,557.17 and 34,517.72 is: 51,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,402.59 : 126,557.17 = 34,517.72 : x
  2. Step 2: Convert to fraction form
    84,402.59/126,557.17 = 34,517.72/x
  3. Step 3: Cross multiply
    84,402.59x = 126,557.17 × 34,517.72
  4. Step 4: Simplify right side
    84,402.59x = 4,368,464,518.24
  5. Step 5: Solve for x
    x = 4,368,464,518.24/84,402.59
  6. Step 6: Final answer
    x = 51,757.47

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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.