Home / 75,132.50-103,672.05-63,847.22

Finding the Fourth Proportional to 75,132.50, 103,672.05 and 63,847.22

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Solution

The fourth proportional to 75,132.50, 103,672.05 and 63,847.22 is: 88,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.50 : 103,672.05 = 63,847.22 : x
  2. Step 2: Convert to fraction form
    75,132.50/103,672.05 = 63,847.22/x
  3. Step 3: Cross multiply
    75,132.50x = 103,672.05 × 63,847.22
  4. Step 4: Simplify right side
    75,132.50x = 6,619,172,184.20
  5. Step 5: Solve for x
    x = 6,619,172,184.20/75,132.50
  6. Step 6: Final answer
    x = 88,099.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.