Home / 54,869.76-75,728.30-32,221.15

Finding the Fourth Proportional to 54,869.76, 75,728.30 and 32,221.15

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Solution

The fourth proportional to 54,869.76, 75,728.30 and 32,221.15 is: 44,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,869.76 : 75,728.30 = 32,221.15 : x
  2. Step 2: Convert to fraction form
    54,869.76/75,728.30 = 32,221.15/x
  3. Step 3: Cross multiply
    54,869.76x = 75,728.30 × 32,221.15
  4. Step 4: Simplify right side
    54,869.76x = 2,440,052,913.55
  5. Step 5: Solve for x
    x = 2,440,052,913.55/54,869.76
  6. Step 6: Final answer
    x = 44,469.90

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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.