Home / 99,120.56-148,684.20-35,908.88

Finding the Fourth Proportional to 99,120.56, 148,684.20 and 35,908.88

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Solution

The fourth proportional to 99,120.56, 148,684.20 and 35,908.88 is: 53,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,120.56 : 148,684.20 = 35,908.88 : x
  2. Step 2: Convert to fraction form
    99,120.56/148,684.20 = 35,908.88/x
  3. Step 3: Cross multiply
    99,120.56x = 148,684.20 × 35,908.88
  4. Step 4: Simplify right side
    99,120.56x = 5,339,083,095.70
  5. Step 5: Solve for x
    x = 5,339,083,095.70/99,120.56
  6. Step 6: Final answer
    x = 53,864.54

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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.