Home / 99,432.12-149,112.66-32,859.96

Finding the Fourth Proportional to 99,432.12, 149,112.66 and 32,859.96

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Solution

The fourth proportional to 99,432.12, 149,112.66 and 32,859.96 is: 49,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,432.12 : 149,112.66 = 32,859.96 : x
  2. Step 2: Convert to fraction form
    99,432.12/149,112.66 = 32,859.96/x
  3. Step 3: Cross multiply
    99,432.12x = 149,112.66 × 32,859.96
  4. Step 4: Simplify right side
    99,432.12x = 4,899,836,043.09
  5. Step 5: Solve for x
    x = 4,899,836,043.09/99,432.12
  6. Step 6: Final answer
    x = 49,278.20

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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.