Home / 57,342.22-79,129.52-31,850.20

Finding the Fourth Proportional to 57,342.22, 79,129.52 and 31,850.20

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Solution

The fourth proportional to 57,342.22, 79,129.52 and 31,850.20 is: 43,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342.22 : 79,129.52 = 31,850.20 : x
  2. Step 2: Convert to fraction form
    57,342.22/79,129.52 = 31,850.20/x
  3. Step 3: Cross multiply
    57,342.22x = 79,129.52 × 31,850.20
  4. Step 4: Simplify right side
    57,342.22x = 2,520,291,037.90
  5. Step 5: Solve for x
    x = 2,520,291,037.90/57,342.22
  6. Step 6: Final answer
    x = 43,951.75

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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.