Home / 124,213.68-171,410.28-67,623.92

Finding the Fourth Proportional to 124,213.68, 171,410.28 and 67,623.92

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Solution

The fourth proportional to 124,213.68, 171,410.28 and 67,623.92 is: 93,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,213.68 : 171,410.28 = 67,623.92 : x
  2. Step 2: Convert to fraction form
    124,213.68/171,410.28 = 67,623.92/x
  3. Step 3: Cross multiply
    124,213.68x = 171,410.28 × 67,623.92
  4. Step 4: Simplify right side
    124,213.68x = 11,591,435,061.90
  5. Step 5: Solve for x
    x = 11,591,435,061.90/124,213.68
  6. Step 6: Final answer
    x = 93,318.51

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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.