Home / 70,766.16-106,162.20-29,190.48

Finding the Fourth Proportional to 70,766.16, 106,162.20 and 29,190.48

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Solution

The fourth proportional to 70,766.16, 106,162.20 and 29,190.48 is: 43,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,766.16 : 106,162.20 = 29,190.48 : x
  2. Step 2: Convert to fraction form
    70,766.16/106,162.20 = 29,190.48/x
  3. Step 3: Cross multiply
    70,766.16x = 106,162.20 × 29,190.48
  4. Step 4: Simplify right side
    70,766.16x = 3,098,925,575.86
  5. Step 5: Solve for x
    x = 3,098,925,575.86/70,766.16
  6. Step 6: Final answer
    x = 43,791.07

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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.