Home / 57,275.39-85,878.56-25,679.75

Finding the Fourth Proportional to 57,275.39, 85,878.56 and 25,679.75

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Solution

The fourth proportional to 57,275.39, 85,878.56 and 25,679.75 is: 38,504.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.39 : 85,878.56 = 25,679.75 : x
  2. Step 2: Convert to fraction form
    57,275.39/85,878.56 = 25,679.75/x
  3. Step 3: Cross multiply
    57,275.39x = 85,878.56 × 25,679.75
  4. Step 4: Simplify right side
    57,275.39x = 2,205,339,585.97
  5. Step 5: Solve for x
    x = 2,205,339,585.97/57,275.39
  6. Step 6: Final answer
    x = 38,504.14

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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.