Home / 71,394.40-106,997.10-38,042.65

Finding the Fourth Proportional to 71,394.40, 106,997.10 and 38,042.65

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Solution

The fourth proportional to 71,394.40, 106,997.10 and 38,042.65 is: 57,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,394.40 : 106,997.10 = 38,042.65 : x
  2. Step 2: Convert to fraction form
    71,394.40/106,997.10 = 38,042.65/x
  3. Step 3: Cross multiply
    71,394.40x = 106,997.10 × 38,042.65
  4. Step 4: Simplify right side
    71,394.40x = 4,070,453,226.32
  5. Step 5: Solve for x
    x = 4,070,453,226.32/71,394.40
  6. Step 6: Final answer
    x = 57,013.62

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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.