Home / 98,881.08-148,373.92-53,934.90

Finding the Fourth Proportional to 98,881.08, 148,373.92 and 53,934.90

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Solution

The fourth proportional to 98,881.08, 148,373.92 and 53,934.90 is: 80,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,881.08 : 148,373.92 = 53,934.90 : x
  2. Step 2: Convert to fraction form
    98,881.08/148,373.92 = 53,934.90/x
  3. Step 3: Cross multiply
    98,881.08x = 148,373.92 × 53,934.90
  4. Step 4: Simplify right side
    98,881.08x = 8,002,532,537.81
  5. Step 5: Solve for x
    x = 8,002,532,537.81/98,881.08
  6. Step 6: Final answer
    x = 80,930.88

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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.