Home / 88,023.16-131,847.90-69,213.88

Finding the Fourth Proportional to 88,023.16, 131,847.90 and 69,213.88

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Solution

The fourth proportional to 88,023.16, 131,847.90 and 69,213.88 is: 103,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,023.16 : 131,847.90 = 69,213.88 : x
  2. Step 2: Convert to fraction form
    88,023.16/131,847.90 = 69,213.88/x
  3. Step 3: Cross multiply
    88,023.16x = 131,847.90 × 69,213.88
  4. Step 4: Simplify right side
    88,023.16x = 9,125,704,728.85
  5. Step 5: Solve for x
    x = 9,125,704,728.85/88,023.16
  6. Step 6: Final answer
    x = 103,673.91

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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.