Home / 98,042.55-147,112.41-38,876.91

Finding the Fourth Proportional to 98,042.55, 147,112.41 and 38,876.91

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Solution

The fourth proportional to 98,042.55, 147,112.41 and 38,876.91 is: 58,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,042.55 : 147,112.41 = 38,876.91 : x
  2. Step 2: Convert to fraction form
    98,042.55/147,112.41 = 38,876.91/x
  3. Step 3: Cross multiply
    98,042.55x = 147,112.41 × 38,876.91
  4. Step 4: Simplify right side
    98,042.55x = 5,719,275,923.45
  5. Step 5: Solve for x
    x = 5,719,275,923.45/98,042.55
  6. Step 6: Final answer
    x = 58,334.63

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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.