Home / 63,643.50-95,441.24-51,132.78

Finding the Fourth Proportional to 63,643.50, 95,441.24 and 51,132.78

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Solution

The fourth proportional to 63,643.50, 95,441.24 and 51,132.78 is: 76,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643.50 : 95,441.24 = 51,132.78 : x
  2. Step 2: Convert to fraction form
    63,643.50/95,441.24 = 51,132.78/x
  3. Step 3: Cross multiply
    63,643.50x = 95,441.24 × 51,132.78
  4. Step 4: Simplify right side
    63,643.50x = 4,880,175,927.85
  5. Step 5: Solve for x
    x = 4,880,175,927.85/63,643.50
  6. Step 6: Final answer
    x = 76,679.88

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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.