Home / 98,514.97-147,793.21-31,949.91

Finding the Fourth Proportional to 98,514.97, 147,793.21 and 31,949.91

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Solution

The fourth proportional to 98,514.97, 147,793.21 and 31,949.91 is: 47,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,514.97 : 147,793.21 = 31,949.91 : x
  2. Step 2: Convert to fraction form
    98,514.97/147,793.21 = 31,949.91/x
  3. Step 3: Cross multiply
    98,514.97x = 147,793.21 × 31,949.91
  4. Step 4: Simplify right side
    98,514.97x = 4,721,979,758.11
  5. Step 5: Solve for x
    x = 4,721,979,758.11/98,514.97
  6. Step 6: Final answer
    x = 47,931.60

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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.