Home / 67,665.20-101,534.94-34,388.13

Finding the Fourth Proportional to 67,665.20, 101,534.94 and 34,388.13

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Solution

The fourth proportional to 67,665.20, 101,534.94 and 34,388.13 is: 51,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,665.20 : 101,534.94 = 34,388.13 : x
  2. Step 2: Convert to fraction form
    67,665.20/101,534.94 = 34,388.13/x
  3. Step 3: Cross multiply
    67,665.20x = 101,534.94 × 34,388.13
  4. Step 4: Simplify right side
    67,665.20x = 3,491,596,716.26
  5. Step 5: Solve for x
    x = 3,491,596,716.26/67,665.20
  6. Step 6: Final answer
    x = 51,601.07

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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.