Home / 98,934.50-136,538.25-54,231.14

Finding the Fourth Proportional to 98,934.50, 136,538.25 and 54,231.14

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Solution

The fourth proportional to 98,934.50, 136,538.25 and 54,231.14 is: 74,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,934.50 : 136,538.25 = 54,231.14 : x
  2. Step 2: Convert to fraction form
    98,934.50/136,538.25 = 54,231.14/x
  3. Step 3: Cross multiply
    98,934.50x = 136,538.25 × 54,231.14
  4. Step 4: Simplify right side
    98,934.50x = 7,404,624,951.11
  5. Step 5: Solve for x
    x = 7,404,624,951.11/98,934.50
  6. Step 6: Final answer
    x = 74,843.71

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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.