Home / 57,159.20-78,879.60-32,008.70

Finding the Fourth Proportional to 57,159.20, 78,879.60 and 32,008.70

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Solution

The fourth proportional to 57,159.20, 78,879.60 and 32,008.70 is: 44,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,159.20 : 78,879.60 = 32,008.70 : x
  2. Step 2: Convert to fraction form
    57,159.20/78,879.60 = 32,008.70/x
  3. Step 3: Cross multiply
    57,159.20x = 78,879.60 × 32,008.70
  4. Step 4: Simplify right side
    57,159.20x = 2,524,833,058.12
  5. Step 5: Solve for x
    x = 2,524,833,058.12/57,159.20
  6. Step 6: Final answer
    x = 44,171.95

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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.