Home / 57,276.11-85,879.62-25,680.45

Finding the Fourth Proportional to 57,276.11, 85,879.62 and 25,680.45

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Solution

The fourth proportional to 57,276.11, 85,879.62 and 25,680.45 is: 38,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.11 : 85,879.62 = 25,680.45 : x
  2. Step 2: Convert to fraction form
    57,276.11/85,879.62 = 25,680.45/x
  3. Step 3: Cross multiply
    57,276.11x = 85,879.62 × 25,680.45
  4. Step 4: Simplify right side
    57,276.11x = 2,205,427,609.48
  5. Step 5: Solve for x
    x = 2,205,427,609.48/57,276.11
  6. Step 6: Final answer
    x = 38,505.19

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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.