Home / 47,154.38-65,086.85-28,047.61

Finding the Fourth Proportional to 47,154.38, 65,086.85 and 28,047.61

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Solution

The fourth proportional to 47,154.38, 65,086.85 and 28,047.61 is: 38,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,154.38 : 65,086.85 = 28,047.61 : x
  2. Step 2: Convert to fraction form
    47,154.38/65,086.85 = 28,047.61/x
  3. Step 3: Cross multiply
    47,154.38x = 65,086.85 × 28,047.61
  4. Step 4: Simplify right side
    47,154.38x = 1,825,530,119.26
  5. Step 5: Solve for x
    x = 1,825,530,119.26/47,154.38
  6. Step 6: Final answer
    x = 38,713.90

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1.5x scale

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.