Home / 98,072.64-146,979.84-38,876.04

Finding the Fourth Proportional to 98,072.64, 146,979.84 and 38,876.04

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Solution

The fourth proportional to 98,072.64, 146,979.84 and 38,876.04 is: 58,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,072.64 : 146,979.84 = 38,876.04 : x
  2. Step 2: Convert to fraction form
    98,072.64/146,979.84 = 38,876.04/x
  3. Step 3: Cross multiply
    98,072.64x = 146,979.84 × 38,876.04
  4. Step 4: Simplify right side
    98,072.64x = 5,713,994,139.03
  5. Step 5: Solve for x
    x = 5,713,994,139.03/98,072.64
  6. Step 6: Final answer
    x = 58,262.88

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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.