Home / 124,440.72-171,727.32-67,854.48

Finding the Fourth Proportional to 124,440.72, 171,727.32 and 67,854.48

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Solution

The fourth proportional to 124,440.72, 171,727.32 and 67,854.48 is: 93,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,440.72 : 171,727.32 = 67,854.48 : x
  2. Step 2: Convert to fraction form
    124,440.72/171,727.32 = 67,854.48/x
  3. Step 3: Cross multiply
    124,440.72x = 171,727.32 × 67,854.48
  4. Step 4: Simplify right side
    124,440.72x = 11,652,468,000.39
  5. Step 5: Solve for x
    x = 11,652,468,000.39/124,440.72
  6. Step 6: Final answer
    x = 93,638.71

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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.