Home / 54,086.40-81,160.14-29,125.92

Finding the Fourth Proportional to 54,086.40, 81,160.14 and 29,125.92

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Solution

The fourth proportional to 54,086.40, 81,160.14 and 29,125.92 is: 43,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,086.40 : 81,160.14 = 29,125.92 : x
  2. Step 2: Convert to fraction form
    54,086.40/81,160.14 = 29,125.92/x
  3. Step 3: Cross multiply
    54,086.40x = 81,160.14 × 29,125.92
  4. Step 4: Simplify right side
    54,086.40x = 2,363,863,744.83
  5. Step 5: Solve for x
    x = 2,363,863,744.83/54,086.40
  6. Step 6: Final answer
    x = 43,705.33

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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.