Home / 54,079.76-81,127.44-16,643.04

Finding the Fourth Proportional to 54,079.76, 81,127.44 and 16,643.04

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Solution

The fourth proportional to 54,079.76, 81,127.44 and 16,643.04 is: 24,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.76 : 81,127.44 = 16,643.04 : x
  2. Step 2: Convert to fraction form
    54,079.76/81,127.44 = 16,643.04/x
  3. Step 3: Cross multiply
    54,079.76x = 81,127.44 × 16,643.04
  4. Step 4: Simplify right side
    54,079.76x = 1,350,207,229.02
  5. Step 5: Solve for x
    x = 1,350,207,229.02/54,079.76
  6. Step 6: Final answer
    x = 24,966.96

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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.