Home / 80,932.14-111,773.48-61,605.74

Finding the Fourth Proportional to 80,932.14, 111,773.48 and 61,605.74

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Solution

The fourth proportional to 80,932.14, 111,773.48 and 61,605.74 is: 85,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,932.14 : 111,773.48 = 61,605.74 : x
  2. Step 2: Convert to fraction form
    80,932.14/111,773.48 = 61,605.74/x
  3. Step 3: Cross multiply
    80,932.14x = 111,773.48 × 61,605.74
  4. Step 4: Simplify right side
    80,932.14x = 6,885,887,947.78
  5. Step 5: Solve for x
    x = 6,885,887,947.78/80,932.14
  6. Step 6: Final answer
    x = 85,082.24

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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.