Home / 75,927.80-113,891.70-53,766.20

Finding the Fourth Proportional to 75,927.80, 113,891.70 and 53,766.20

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Solution

The fourth proportional to 75,927.80, 113,891.70 and 53,766.20 is: 80,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,927.80 : 113,891.70 = 53,766.20 : x
  2. Step 2: Convert to fraction form
    75,927.80/113,891.70 = 53,766.20/x
  3. Step 3: Cross multiply
    75,927.80x = 113,891.70 × 53,766.20
  4. Step 4: Simplify right side
    75,927.80x = 6,123,523,920.54
  5. Step 5: Solve for x
    x = 6,123,523,920.54/75,927.80
  6. Step 6: Final answer
    x = 80,649.30

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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.