Home / 124,834.24-172,273.92-68,250.88

Finding the Fourth Proportional to 124,834.24, 172,273.92 and 68,250.88

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Solution

The fourth proportional to 124,834.24, 172,273.92 and 68,250.88 is: 94,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.24 : 172,273.92 = 68,250.88 : x
  2. Step 2: Convert to fraction form
    124,834.24/172,273.92 = 68,250.88/x
  3. Step 3: Cross multiply
    124,834.24x = 172,273.92 × 68,250.88
  4. Step 4: Simplify right side
    124,834.24x = 11,757,846,641.05
  5. Step 5: Solve for x
    x = 11,757,846,641.05/124,834.24
  6. Step 6: Final answer
    x = 94,187.67

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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.