Home / 88,691.58-133,160.40-55,542.06

Finding the Fourth Proportional to 88,691.58, 133,160.40 and 55,542.06

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Solution

The fourth proportional to 88,691.58, 133,160.40 and 55,542.06 is: 83,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,691.58 : 133,160.40 = 55,542.06 : x
  2. Step 2: Convert to fraction form
    88,691.58/133,160.40 = 55,542.06/x
  3. Step 3: Cross multiply
    88,691.58x = 133,160.40 × 55,542.06
  4. Step 4: Simplify right side
    88,691.58x = 7,396,002,926.42
  5. Step 5: Solve for x
    x = 7,396,002,926.42/88,691.58
  6. Step 6: Final answer
    x = 83,390.14

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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.