Home / 71,311.17-106,983.64-23,279.53

Finding the Fourth Proportional to 71,311.17, 106,983.64 and 23,279.53

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Solution

The fourth proportional to 71,311.17, 106,983.64 and 23,279.53 is: 34,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.17 : 106,983.64 = 23,279.53 : x
  2. Step 2: Convert to fraction form
    71,311.17/106,983.64 = 23,279.53/x
  3. Step 3: Cross multiply
    71,311.17x = 106,983.64 × 23,279.53
  4. Step 4: Simplify right side
    71,311.17x = 2,490,528,387.29
  5. Step 5: Solve for x
    x = 2,490,528,387.29/71,311.17
  6. Step 6: Final answer
    x = 34,924.80

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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.