Home / 90,752.20-136,035.42-88,475.56

Finding the Fourth Proportional to 90,752.20, 136,035.42 and 88,475.56

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Solution

The fourth proportional to 90,752.20, 136,035.42 and 88,475.56 is: 132,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752.20 : 136,035.42 = 88,475.56 : x
  2. Step 2: Convert to fraction form
    90,752.20/136,035.42 = 88,475.56/x
  3. Step 3: Cross multiply
    90,752.20x = 136,035.42 × 88,475.56
  4. Step 4: Simplify right side
    90,752.20x = 12,035,809,964.34
  5. Step 5: Solve for x
    x = 12,035,809,964.34/90,752.20
  6. Step 6: Final answer
    x = 132,622.79

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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.