Home / 124,793.24-172,215.12-68,204.64

Finding the Fourth Proportional to 124,793.24, 172,215.12 and 68,204.64

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Solution

The fourth proportional to 124,793.24, 172,215.12 and 68,204.64 is: 94,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,793.24 : 172,215.12 = 68,204.64 : x
  2. Step 2: Convert to fraction form
    124,793.24/172,215.12 = 68,204.64/x
  3. Step 3: Cross multiply
    124,793.24x = 172,215.12 × 68,204.64
  4. Step 4: Simplify right side
    124,793.24x = 11,745,870,262.16
  5. Step 5: Solve for x
    x = 11,745,870,262.16/124,793.24
  6. Step 6: Final answer
    x = 94,122.65

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1.5x scale

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.