Home / 76,487.27-114,691.51-34,331.22

Finding the Fourth Proportional to 76,487.27, 114,691.51 and 34,331.22

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Solution

The fourth proportional to 76,487.27, 114,691.51 and 34,331.22 is: 51,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,487.27 : 114,691.51 = 34,331.22 : x
  2. Step 2: Convert to fraction form
    76,487.27/114,691.51 = 34,331.22/x
  3. Step 3: Cross multiply
    76,487.27x = 114,691.51 × 34,331.22
  4. Step 4: Simplify right side
    76,487.27x = 3,937,498,716.83
  5. Step 5: Solve for x
    x = 3,937,498,716.83/76,487.27
  6. Step 6: Final answer
    x = 51,479.14

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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.