Home / 75,562.56-113,269.95-28,142.91

Finding the Fourth Proportional to 75,562.56, 113,269.95 and 28,142.91

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Solution

The fourth proportional to 75,562.56, 113,269.95 and 28,142.91 is: 42,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,562.56 : 113,269.95 = 28,142.91 : x
  2. Step 2: Convert to fraction form
    75,562.56/113,269.95 = 28,142.91/x
  3. Step 3: Cross multiply
    75,562.56x = 113,269.95 × 28,142.91
  4. Step 4: Simplify right side
    75,562.56x = 3,187,746,008.55
  5. Step 5: Solve for x
    x = 3,187,746,008.55/75,562.56
  6. Step 6: Final answer
    x = 42,186.85

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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.