Home / 54,372.48-81,468.68-38,499.14

Finding the Fourth Proportional to 54,372.48, 81,468.68 and 38,499.14

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Solution

The fourth proportional to 54,372.48, 81,468.68 and 38,499.14 is: 57,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,372.48 : 81,468.68 = 38,499.14 : x
  2. Step 2: Convert to fraction form
    54,372.48/81,468.68 = 38,499.14/x
  3. Step 3: Cross multiply
    54,372.48x = 81,468.68 × 38,499.14
  4. Step 4: Simplify right side
    54,372.48x = 3,136,473,517.10
  5. Step 5: Solve for x
    x = 3,136,473,517.10/54,372.48
  6. Step 6: Final answer
    x = 57,684.94

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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.