Home / 71,844.47-107,862.08-61,381.70

Finding the Fourth Proportional to 71,844.47, 107,862.08 and 61,381.70

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Solution

The fourth proportional to 71,844.47, 107,862.08 and 61,381.70 is: 92,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,844.47 : 107,862.08 = 61,381.70 : x
  2. Step 2: Convert to fraction form
    71,844.47/107,862.08 = 61,381.70/x
  3. Step 3: Cross multiply
    71,844.47x = 107,862.08 × 61,381.70
  4. Step 4: Simplify right side
    71,844.47x = 6,620,757,739.47
  5. Step 5: Solve for x
    x = 6,620,757,739.47/71,844.47
  6. Step 6: Final answer
    x = 92,154.04

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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.