Home / 96,408.30-144,612.45-86,591.10

Finding the Fourth Proportional to 96,408.30, 144,612.45 and 86,591.10

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Solution

The fourth proportional to 96,408.30, 144,612.45 and 86,591.10 is: 129,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,408.30 : 144,612.45 = 86,591.10 : x
  2. Step 2: Convert to fraction form
    96,408.30/144,612.45 = 86,591.10/x
  3. Step 3: Cross multiply
    96,408.30x = 144,612.45 × 86,591.10
  4. Step 4: Simplify right side
    96,408.30x = 12,522,151,119.20
  5. Step 5: Solve for x
    x = 12,522,151,119.20/96,408.30
  6. Step 6: Final answer
    x = 129,886.65

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Similar ratio
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1.5x scale

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.