Home / 99,516.20-149,274.30-32,966.60

Finding the Fourth Proportional to 99,516.20, 149,274.30 and 32,966.60

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Solution

The fourth proportional to 99,516.20, 149,274.30 and 32,966.60 is: 49,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,516.20 : 149,274.30 = 32,966.60 : x
  2. Step 2: Convert to fraction form
    99,516.20/149,274.30 = 32,966.60/x
  3. Step 3: Cross multiply
    99,516.20x = 149,274.30 × 32,966.60
  4. Step 4: Simplify right side
    99,516.20x = 4,921,066,138.38
  5. Step 5: Solve for x
    x = 4,921,066,138.38/99,516.20
  6. Step 6: Final answer
    x = 49,449.90

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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.