Home / 98,255.52-147,259.92-42,029.49

Finding the Fourth Proportional to 98,255.52, 147,259.92 and 42,029.49

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Solution

The fourth proportional to 98,255.52, 147,259.92 and 42,029.49 is: 62,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,255.52 : 147,259.92 = 42,029.49 : x
  2. Step 2: Convert to fraction form
    98,255.52/147,259.92 = 42,029.49/x
  3. Step 3: Cross multiply
    98,255.52x = 147,259.92 × 42,029.49
  4. Step 4: Simplify right side
    98,255.52x = 6,189,259,335.04
  5. Step 5: Solve for x
    x = 6,189,259,335.04/98,255.52
  6. Step 6: Final answer
    x = 62,991.47

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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.