Home / 124,161.72-171,337.86-67,572.96

Finding the Fourth Proportional to 124,161.72, 171,337.86 and 67,572.96

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Solution

The fourth proportional to 124,161.72, 171,337.86 and 67,572.96 is: 93,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,161.72 : 171,337.86 = 67,572.96 : x
  2. Step 2: Convert to fraction form
    124,161.72/171,337.86 = 67,572.96/x
  3. Step 3: Cross multiply
    124,161.72x = 171,337.86 × 67,572.96
  4. Step 4: Simplify right side
    124,161.72x = 11,577,806,360.27
  5. Step 5: Solve for x
    x = 11,577,806,360.27/124,161.72
  6. Step 6: Final answer
    x = 93,247.79

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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.