Home / 57,519.15-86,279.37-20,079.27

Finding the Fourth Proportional to 57,519.15, 86,279.37 and 20,079.27

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Solution

The fourth proportional to 57,519.15, 86,279.37 and 20,079.27 is: 30,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.15 : 86,279.37 = 20,079.27 : x
  2. Step 2: Convert to fraction form
    57,519.15/86,279.37 = 20,079.27/x
  3. Step 3: Cross multiply
    57,519.15x = 86,279.37 × 20,079.27
  4. Step 4: Simplify right side
    57,519.15x = 1,732,426,765.66
  5. Step 5: Solve for x
    x = 1,732,426,765.66/57,519.15
  6. Step 6: Final answer
    x = 30,119.13

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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.