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Finding the Fourth Proportional to 48,812.72, 73,080.72 and 32,122.56

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Solution

The fourth proportional to 48,812.72, 73,080.72 and 32,122.56 is: 48,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,812.72 : 73,080.72 = 32,122.56 : x
  2. Step 2: Convert to fraction form
    48,812.72/73,080.72 = 32,122.56/x
  3. Step 3: Cross multiply
    48,812.72x = 73,080.72 × 32,122.56
  4. Step 4: Simplify right side
    48,812.72x = 2,347,539,813.04
  5. Step 5: Solve for x
    x = 2,347,539,813.04/48,812.72
  6. Step 6: Final answer
    x = 48,092.79

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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.