Home / 88,934.38-133,286.91-66,572.62

Finding the Fourth Proportional to 88,934.38, 133,286.91 and 66,572.62

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Solution

The fourth proportional to 88,934.38, 133,286.91 and 66,572.62 is: 99,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,934.38 : 133,286.91 = 66,572.62 : x
  2. Step 2: Convert to fraction form
    88,934.38/133,286.91 = 66,572.62/x
  3. Step 3: Cross multiply
    88,934.38x = 133,286.91 × 66,572.62
  4. Step 4: Simplify right side
    88,934.38x = 8,873,258,810.40
  5. Step 5: Solve for x
    x = 8,873,258,810.40/88,934.38
  6. Step 6: Final answer
    x = 99,773.10

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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.