Home / 99,081.28-148,590.70-32,505.90

Finding the Fourth Proportional to 99,081.28, 148,590.70 and 32,505.90

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Solution

The fourth proportional to 99,081.28, 148,590.70 and 32,505.90 is: 48,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,081.28 : 148,590.70 = 32,505.90 : x
  2. Step 2: Convert to fraction form
    99,081.28/148,590.70 = 32,505.90/x
  3. Step 3: Cross multiply
    99,081.28x = 148,590.70 × 32,505.90
  4. Step 4: Simplify right side
    99,081.28x = 4,830,074,435.13
  5. Step 5: Solve for x
    x = 4,830,074,435.13/99,081.28
  6. Step 6: Final answer
    x = 48,748.61

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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.