Home / 57,739.99-86,508.15-51,470.59

Finding the Fourth Proportional to 57,739.99, 86,508.15 and 51,470.59

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Solution

The fourth proportional to 57,739.99, 86,508.15 and 51,470.59 is: 77,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,739.99 : 86,508.15 = 51,470.59 : x
  2. Step 2: Convert to fraction form
    57,739.99/86,508.15 = 51,470.59/x
  3. Step 3: Cross multiply
    57,739.99x = 86,508.15 × 51,470.59
  4. Step 4: Simplify right side
    57,739.99x = 4,452,625,562.75
  5. Step 5: Solve for x
    x = 4,452,625,562.75/57,739.99
  6. Step 6: Final answer
    x = 77,115.11

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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.