Home / 57,402.28-86,103.44-17,959.55

Finding the Fourth Proportional to 57,402.28, 86,103.44 and 17,959.55

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Solution

The fourth proportional to 57,402.28, 86,103.44 and 17,959.55 is: 26,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,402.28 : 86,103.44 = 17,959.55 : x
  2. Step 2: Convert to fraction form
    57,402.28/86,103.44 = 17,959.55/x
  3. Step 3: Cross multiply
    57,402.28x = 86,103.44 × 17,959.55
  4. Step 4: Simplify right side
    57,402.28x = 1,546,379,035.85
  5. Step 5: Solve for x
    x = 1,546,379,035.85/57,402.28
  6. Step 6: Final answer
    x = 26,939.33

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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.