Home / 98,161.78-147,291.46-38,996.14

Finding the Fourth Proportional to 98,161.78, 147,291.46 and 38,996.14

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Solution

The fourth proportional to 98,161.78, 147,291.46 and 38,996.14 is: 58,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,161.78 : 147,291.46 = 38,996.14 : x
  2. Step 2: Convert to fraction form
    98,161.78/147,291.46 = 38,996.14/x
  3. Step 3: Cross multiply
    98,161.78x = 147,291.46 × 38,996.14
  4. Step 4: Simplify right side
    98,161.78x = 5,743,798,394.96
  5. Step 5: Solve for x
    x = 5,743,798,394.96/98,161.78
  6. Step 6: Final answer
    x = 58,513.59

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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.