Home / 56,617.40-84,934.20-17,177.60

Finding the Fourth Proportional to 56,617.40, 84,934.20 and 17,177.60

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Solution

The fourth proportional to 56,617.40, 84,934.20 and 17,177.60 is: 25,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,617.40 : 84,934.20 = 17,177.60 : x
  2. Step 2: Convert to fraction form
    56,617.40/84,934.20 = 17,177.60/x
  3. Step 3: Cross multiply
    56,617.40x = 84,934.20 × 17,177.60
  4. Step 4: Simplify right side
    56,617.40x = 1,458,965,713.92
  5. Step 5: Solve for x
    x = 1,458,965,713.92/56,617.40
  6. Step 6: Final answer
    x = 25,768.86

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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.