Home / 89,982.38-124,175.88-54,173.90

Finding the Fourth Proportional to 89,982.38, 124,175.88 and 54,173.90

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Solution

The fourth proportional to 89,982.38, 124,175.88 and 54,173.90 is: 74,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.38 : 124,175.88 = 54,173.90 : x
  2. Step 2: Convert to fraction form
    89,982.38/124,175.88 = 54,173.90/x
  3. Step 3: Cross multiply
    89,982.38x = 124,175.88 × 54,173.90
  4. Step 4: Simplify right side
    89,982.38x = 6,727,091,084.65
  5. Step 5: Solve for x
    x = 6,727,091,084.65/89,982.38
  6. Step 6: Final answer
    x = 74,760.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.