Home / 124,834.50-172,272.22-68,245.88

Finding the Fourth Proportional to 124,834.50, 172,272.22 and 68,245.88

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Solution

The fourth proportional to 124,834.50, 172,272.22 and 68,245.88 is: 94,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.50 : 172,272.22 = 68,245.88 : x
  2. Step 2: Convert to fraction form
    124,834.50/172,272.22 = 68,245.88/x
  3. Step 3: Cross multiply
    124,834.50x = 172,272.22 × 68,245.88
  4. Step 4: Simplify right side
    124,834.50x = 11,756,868,221.48
  5. Step 5: Solve for x
    x = 11,756,868,221.48/124,834.50
  6. Step 6: Final answer
    x = 94,179.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.