Home / 51,432.66-77,149.17-18,134.64

Finding the Fourth Proportional to 51,432.66, 77,149.17 and 18,134.64

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Solution

The fourth proportional to 51,432.66, 77,149.17 and 18,134.64 is: 27,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,432.66 : 77,149.17 = 18,134.64 : x
  2. Step 2: Convert to fraction form
    51,432.66/77,149.17 = 18,134.64/x
  3. Step 3: Cross multiply
    51,432.66x = 77,149.17 × 18,134.64
  4. Step 4: Simplify right side
    51,432.66x = 1,399,072,424.25
  5. Step 5: Solve for x
    x = 1,399,072,424.25/51,432.66
  6. Step 6: Final answer
    x = 27,202.02

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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.