Home / 83,799.76-125,529.88-38,757.12

Finding the Fourth Proportional to 83,799.76, 125,529.88 and 38,757.12

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Solution

The fourth proportional to 83,799.76, 125,529.88 and 38,757.12 is: 58,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,799.76 : 125,529.88 = 38,757.12 : x
  2. Step 2: Convert to fraction form
    83,799.76/125,529.88 = 38,757.12/x
  3. Step 3: Cross multiply
    83,799.76x = 125,529.88 × 38,757.12
  4. Step 4: Simplify right side
    83,799.76x = 4,865,176,622.75
  5. Step 5: Solve for x
    x = 4,865,176,622.75/83,799.76
  6. Step 6: Final answer
    x = 58,057.17

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1.5x scale

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.