Home / 54,531.71-81,748.01-19,463.16

Finding the Fourth Proportional to 54,531.71, 81,748.01 and 19,463.16

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Solution

The fourth proportional to 54,531.71, 81,748.01 and 19,463.16 is: 29,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.71 : 81,748.01 = 19,463.16 : x
  2. Step 2: Convert to fraction form
    54,531.71/81,748.01 = 19,463.16/x
  3. Step 3: Cross multiply
    54,531.71x = 81,748.01 × 19,463.16
  4. Step 4: Simplify right side
    54,531.71x = 1,591,074,668.87
  5. Step 5: Solve for x
    x = 1,591,074,668.87/54,531.71
  6. Step 6: Final answer
    x = 29,177.06

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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.