Home / 54,116.48-81,176.11-25,646.75

Finding the Fourth Proportional to 54,116.48, 81,176.11 and 25,646.75

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Solution

The fourth proportional to 54,116.48, 81,176.11 and 25,646.75 is: 38,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,116.48 : 81,176.11 = 25,646.75 : x
  2. Step 2: Convert to fraction form
    54,116.48/81,176.11 = 25,646.75/x
  3. Step 3: Cross multiply
    54,116.48x = 81,176.11 × 25,646.75
  4. Step 4: Simplify right side
    54,116.48x = 2,081,903,399.14
  5. Step 5: Solve for x
    x = 2,081,903,399.14/54,116.48
  6. Step 6: Final answer
    x = 38,470.78

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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.