Home / 77,174.20-115,753.47-52,373.62

Finding the Fourth Proportional to 77,174.20, 115,753.47 and 52,373.62

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Solution

The fourth proportional to 77,174.20, 115,753.47 and 52,373.62 is: 78,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,174.20 : 115,753.47 = 52,373.62 : x
  2. Step 2: Convert to fraction form
    77,174.20/115,753.47 = 52,373.62/x
  3. Step 3: Cross multiply
    77,174.20x = 115,753.47 × 52,373.62
  4. Step 4: Simplify right side
    77,174.20x = 6,062,428,251.46
  5. Step 5: Solve for x
    x = 6,062,428,251.46/77,174.20
  6. Step 6: Final answer
    x = 78,555.12

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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.