Home / 83,738.62-125,607.96-31,141.24

Finding the Fourth Proportional to 83,738.62, 125,607.96 and 31,141.24

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Solution

The fourth proportional to 83,738.62, 125,607.96 and 31,141.24 is: 46,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,738.62 : 125,607.96 = 31,141.24 : x
  2. Step 2: Convert to fraction form
    83,738.62/125,607.96 = 31,141.24/x
  3. Step 3: Cross multiply
    83,738.62x = 125,607.96 × 31,141.24
  4. Step 4: Simplify right side
    83,738.62x = 3,911,587,628.27
  5. Step 5: Solve for x
    x = 3,911,587,628.27/83,738.62
  6. Step 6: Final answer
    x = 46,711.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.