Home / 98,895.20-148,342.77-65,680.11

Finding the Fourth Proportional to 98,895.20, 148,342.77 and 65,680.11

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Solution

The fourth proportional to 98,895.20, 148,342.77 and 65,680.11 is: 98,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,895.20 : 148,342.77 = 65,680.11 : x
  2. Step 2: Convert to fraction form
    98,895.20/148,342.77 = 65,680.11/x
  3. Step 3: Cross multiply
    98,895.20x = 148,342.77 × 65,680.11
  4. Step 4: Simplify right side
    98,895.20x = 9,743,169,451.30
  5. Step 5: Solve for x
    x = 9,743,169,451.30/98,895.20
  6. Step 6: Final answer
    x = 98,520.15

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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.