Home / 124,946.20-172,425.54-68,357.44

Finding the Fourth Proportional to 124,946.20, 172,425.54 and 68,357.44

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Solution

The fourth proportional to 124,946.20, 172,425.54 and 68,357.44 is: 94,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,946.20 : 172,425.54 = 68,357.44 : x
  2. Step 2: Convert to fraction form
    124,946.20/172,425.54 = 68,357.44/x
  3. Step 3: Cross multiply
    124,946.20x = 172,425.54 × 68,357.44
  4. Step 4: Simplify right side
    124,946.20x = 11,786,568,505.02
  5. Step 5: Solve for x
    x = 11,786,568,505.02/124,946.20
  6. Step 6: Final answer
    x = 94,333.15

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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.