Home / 98,072.14-146,979.08-38,875.54

Finding the Fourth Proportional to 98,072.14, 146,979.08 and 38,875.54

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Solution

The fourth proportional to 98,072.14, 146,979.08 and 38,875.54 is: 58,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,072.14 : 146,979.08 = 38,875.54 : x
  2. Step 2: Convert to fraction form
    98,072.14/146,979.08 = 38,875.54/x
  3. Step 3: Cross multiply
    98,072.14x = 146,979.08 × 38,875.54
  4. Step 4: Simplify right side
    98,072.14x = 5,713,891,103.70
  5. Step 5: Solve for x
    x = 5,713,891,103.70/98,072.14
  6. Step 6: Final answer
    x = 58,262.12

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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.