Home / 79,931.55-110,306.89-43,634.86

Finding the Fourth Proportional to 79,931.55, 110,306.89 and 43,634.86

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Solution

The fourth proportional to 79,931.55, 110,306.89 and 43,634.86 is: 60,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931.55 : 110,306.89 = 43,634.86 : x
  2. Step 2: Convert to fraction form
    79,931.55/110,306.89 = 43,634.86/x
  3. Step 3: Cross multiply
    79,931.55x = 110,306.89 × 43,634.86
  4. Step 4: Simplify right side
    79,931.55x = 4,813,226,082.13
  5. Step 5: Solve for x
    x = 4,813,226,082.13/79,931.55
  6. Step 6: Final answer
    x = 60,216.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.