Home / 75,165.27-112,627.97-55,081.70

Finding the Fourth Proportional to 75,165.27, 112,627.97 and 55,081.70

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Solution

The fourth proportional to 75,165.27, 112,627.97 and 55,081.70 is: 82,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,165.27 : 112,627.97 = 55,081.70 : x
  2. Step 2: Convert to fraction form
    75,165.27/112,627.97 = 55,081.70/x
  3. Step 3: Cross multiply
    75,165.27x = 112,627.97 × 55,081.70
  4. Step 4: Simplify right side
    75,165.27x = 6,203,739,216.60
  5. Step 5: Solve for x
    x = 6,203,739,216.60/75,165.27
  6. Step 6: Final answer
    x = 82,534.65

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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.