Home / 77,562.30-116,149.05-51,123.90

Finding the Fourth Proportional to 77,562.30, 116,149.05 and 51,123.90

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Solution

The fourth proportional to 77,562.30, 116,149.05 and 51,123.90 is: 76,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,562.30 : 116,149.05 = 51,123.90 : x
  2. Step 2: Convert to fraction form
    77,562.30/116,149.05 = 51,123.90/x
  3. Step 3: Cross multiply
    77,562.30x = 116,149.05 × 51,123.90
  4. Step 4: Simplify right side
    77,562.30x = 5,937,992,417.30
  5. Step 5: Solve for x
    x = 5,937,992,417.30/77,562.30
  6. Step 6: Final answer
    x = 76,557.71

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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.