Home / 70,766.32-106,149.48-18,175.85

Finding the Fourth Proportional to 70,766.32, 106,149.48 and 18,175.85

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Solution

The fourth proportional to 70,766.32, 106,149.48 and 18,175.85 is: 27,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,766.32 : 106,149.48 = 18,175.85 : x
  2. Step 2: Convert to fraction form
    70,766.32/106,149.48 = 18,175.85/x
  3. Step 3: Cross multiply
    70,766.32x = 106,149.48 × 18,175.85
  4. Step 4: Simplify right side
    70,766.32x = 1,929,357,026.06
  5. Step 5: Solve for x
    x = 1,929,357,026.06/70,766.32
  6. Step 6: Final answer
    x = 27,263.78

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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.