Home / 57,346.35-86,047.70-25,778.71

Finding the Fourth Proportional to 57,346.35, 86,047.70 and 25,778.71

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Solution

The fourth proportional to 57,346.35, 86,047.70 and 25,778.71 is: 38,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.35 : 86,047.70 = 25,778.71 : x
  2. Step 2: Convert to fraction form
    57,346.35/86,047.70 = 25,778.71/x
  3. Step 3: Cross multiply
    57,346.35x = 86,047.70 × 25,778.71
  4. Step 4: Simplify right side
    57,346.35x = 2,218,198,704.47
  5. Step 5: Solve for x
    x = 2,218,198,704.47/57,346.35
  6. Step 6: Final answer
    x = 38,680.73

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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.