Home / 80,933.59-121,454.92-28,343.53

Finding the Fourth Proportional to 80,933.59, 121,454.92 and 28,343.53

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Solution

The fourth proportional to 80,933.59, 121,454.92 and 28,343.53 is: 42,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,933.59 : 121,454.92 = 28,343.53 : x
  2. Step 2: Convert to fraction form
    80,933.59/121,454.92 = 28,343.53/x
  3. Step 3: Cross multiply
    80,933.59x = 121,454.92 × 28,343.53
  4. Step 4: Simplify right side
    80,933.59x = 3,442,460,490.53
  5. Step 5: Solve for x
    x = 3,442,460,490.53/80,933.59
  6. Step 6: Final answer
    x = 42,534.39

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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.