Home / 83,397.38-125,109.03-28,006.34

Finding the Fourth Proportional to 83,397.38, 125,109.03 and 28,006.34

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Solution

The fourth proportional to 83,397.38, 125,109.03 and 28,006.34 is: 42,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,397.38 : 125,109.03 = 28,006.34 : x
  2. Step 2: Convert to fraction form
    83,397.38/125,109.03 = 28,006.34/x
  3. Step 3: Cross multiply
    83,397.38x = 125,109.03 × 28,006.34
  4. Step 4: Simplify right side
    83,397.38x = 3,503,845,405.71
  5. Step 5: Solve for x
    x = 3,503,845,405.71/83,397.38
  6. Step 6: Final answer
    x = 42,013.86

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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.