Home / 77,125.48-115,704-32,752.04

Finding the Fourth Proportional to 77,125.48, 115,704 and 32,752.04

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Solution

The fourth proportional to 77,125.48, 115,704 and 32,752.04 is: 49,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,125.48 : 115,704 = 32,752.04 : x
  2. Step 2: Convert to fraction form
    77,125.48/115,704 = 32,752.04/x
  3. Step 3: Cross multiply
    77,125.48x = 115,704 × 32,752.04
  4. Step 4: Simplify right side
    77,125.48x = 3,789,542,036.16
  5. Step 5: Solve for x
    x = 3,789,542,036.16/77,125.48
  6. Step 6: Final answer
    x = 49,134.76

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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.