Home / 71,125.28-106,651.15-26,135.16

Finding the Fourth Proportional to 71,125.28, 106,651.15 and 26,135.16

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Solution

The fourth proportional to 71,125.28, 106,651.15 and 26,135.16 is: 39,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,125.28 : 106,651.15 = 26,135.16 : x
  2. Step 2: Convert to fraction form
    71,125.28/106,651.15 = 26,135.16/x
  3. Step 3: Cross multiply
    71,125.28x = 106,651.15 × 26,135.16
  4. Step 4: Simplify right side
    71,125.28x = 2,787,344,336.18
  5. Step 5: Solve for x
    x = 2,787,344,336.18/71,125.28
  6. Step 6: Final answer
    x = 39,189.22

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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.