Home / 75,226.80-112,692.24-54,116.78

Finding the Fourth Proportional to 75,226.80, 112,692.24 and 54,116.78

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Solution

The fourth proportional to 75,226.80, 112,692.24 and 54,116.78 is: 81,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,226.80 : 112,692.24 = 54,116.78 : x
  2. Step 2: Convert to fraction form
    75,226.80/112,692.24 = 54,116.78/x
  3. Step 3: Cross multiply
    75,226.80x = 112,692.24 × 54,116.78
  4. Step 4: Simplify right side
    75,226.80x = 6,098,541,394.96
  5. Step 5: Solve for x
    x = 6,098,541,394.96/75,226.80
  6. Step 6: Final answer
    x = 81,068.73

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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.