Home / 57,478.28-79,319.26-32,327.78

Finding the Fourth Proportional to 57,478.28, 79,319.26 and 32,327.78

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Solution

The fourth proportional to 57,478.28, 79,319.26 and 32,327.78 is: 44,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478.28 : 79,319.26 = 32,327.78 : x
  2. Step 2: Convert to fraction form
    57,478.28/79,319.26 = 32,327.78/x
  3. Step 3: Cross multiply
    57,478.28x = 79,319.26 × 32,327.78
  4. Step 4: Simplify right side
    57,478.28x = 2,564,215,667.86
  5. Step 5: Solve for x
    x = 2,564,215,667.86/57,478.28
  6. Step 6: Final answer
    x = 44,611.91

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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.