Home / 124,163.27-171,363.37-69,721.55

Finding the Fourth Proportional to 124,163.27, 171,363.37 and 69,721.55

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Solution

The fourth proportional to 124,163.27, 171,363.37 and 69,721.55 is: 96,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,163.27 : 171,363.37 = 69,721.55 : x
  2. Step 2: Convert to fraction form
    124,163.27/171,363.37 = 69,721.55/x
  3. Step 3: Cross multiply
    124,163.27x = 171,363.37 × 69,721.55
  4. Step 4: Simplify right side
    124,163.27x = 11,947,719,769.62
  5. Step 5: Solve for x
    x = 11,947,719,769.62/124,163.27
  6. Step 6: Final answer
    x = 96,225.88

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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.