Home / 54,217.89-81,451.44-38,462.04

Finding the Fourth Proportional to 54,217.89, 81,451.44 and 38,462.04

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Solution

The fourth proportional to 54,217.89, 81,451.44 and 38,462.04 is: 57,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.89 : 81,451.44 = 38,462.04 : x
  2. Step 2: Convert to fraction form
    54,217.89/81,451.44 = 38,462.04/x
  3. Step 3: Cross multiply
    54,217.89x = 81,451.44 × 38,462.04
  4. Step 4: Simplify right side
    54,217.89x = 3,132,788,543.34
  5. Step 5: Solve for x
    x = 3,132,788,543.34/54,217.89
  6. Step 6: Final answer
    x = 57,781.45

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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.