Home / 54,087.40-81,161.64-29,126.92

Finding the Fourth Proportional to 54,087.40, 81,161.64 and 29,126.92

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Solution

The fourth proportional to 54,087.40, 81,161.64 and 29,126.92 is: 43,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.40 : 81,161.64 = 29,126.92 : x
  2. Step 2: Convert to fraction form
    54,087.40/81,161.64 = 29,126.92/x
  3. Step 3: Cross multiply
    54,087.40x = 81,161.64 × 29,126.92
  4. Step 4: Simplify right side
    54,087.40x = 2,363,988,595.35
  5. Step 5: Solve for x
    x = 2,363,988,595.35/54,087.40
  6. Step 6: Final answer
    x = 43,706.83

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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.