Home / 124,462.81-171,757.15-67,872.97

Finding the Fourth Proportional to 124,462.81, 171,757.15 and 67,872.97

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Solution

The fourth proportional to 124,462.81, 171,757.15 and 67,872.97 is: 93,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,462.81 : 171,757.15 = 67,872.97 : x
  2. Step 2: Convert to fraction form
    124,462.81/171,757.15 = 67,872.97/x
  3. Step 3: Cross multiply
    124,462.81x = 171,757.15 × 67,872.97
  4. Step 4: Simplify right side
    124,462.81x = 11,657,667,889.24
  5. Step 5: Solve for x
    x = 11,657,667,889.24/124,462.81
  6. Step 6: Final answer
    x = 93,663.87

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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.