Home / 75,029.20-112,418.85-52,795.86

Finding the Fourth Proportional to 75,029.20, 112,418.85 and 52,795.86

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Solution

The fourth proportional to 75,029.20, 112,418.85 and 52,795.86 is: 79,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029.20 : 112,418.85 = 52,795.86 : x
  2. Step 2: Convert to fraction form
    75,029.20/112,418.85 = 52,795.86/x
  3. Step 3: Cross multiply
    75,029.20x = 112,418.85 × 52,795.86
  4. Step 4: Simplify right side
    75,029.20x = 5,935,250,274.73
  5. Step 5: Solve for x
    x = 5,935,250,274.73/75,029.20
  6. Step 6: Final answer
    x = 79,105.87

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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.