Home / 57,770.11-79,680.11-36,528.88

Finding the Fourth Proportional to 57,770.11, 79,680.11 and 36,528.88

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Solution

The fourth proportional to 57,770.11, 79,680.11 and 36,528.88 is: 50,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770.11 : 79,680.11 = 36,528.88 : x
  2. Step 2: Convert to fraction form
    57,770.11/79,680.11 = 36,528.88/x
  3. Step 3: Cross multiply
    57,770.11x = 79,680.11 × 36,528.88
  4. Step 4: Simplify right side
    57,770.11x = 2,910,625,176.58
  5. Step 5: Solve for x
    x = 2,910,625,176.58/57,770.11
  6. Step 6: Final answer
    x = 50,382.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.