Home / 99,425.64-149,161.83-32,865.78

Finding the Fourth Proportional to 99,425.64, 149,161.83 and 32,865.78

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Solution

The fourth proportional to 99,425.64, 149,161.83 and 32,865.78 is: 49,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,425.64 : 149,161.83 = 32,865.78 : x
  2. Step 2: Convert to fraction form
    99,425.64/149,161.83 = 32,865.78/x
  3. Step 3: Cross multiply
    99,425.64x = 149,161.83 × 32,865.78
  4. Step 4: Simplify right side
    99,425.64x = 4,902,319,889.18
  5. Step 5: Solve for x
    x = 4,902,319,889.18/99,425.64
  6. Step 6: Final answer
    x = 49,306.40

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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.