Home / 40,579.70-60,869.55-36,125.30

Finding the Fourth Proportional to 40,579.70, 60,869.55 and 36,125.30

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Solution

The fourth proportional to 40,579.70, 60,869.55 and 36,125.30 is: 54,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.70 : 60,869.55 = 36,125.30 : x
  2. Step 2: Convert to fraction form
    40,579.70/60,869.55 = 36,125.30/x
  3. Step 3: Cross multiply
    40,579.70x = 60,869.55 × 36,125.30
  4. Step 4: Simplify right side
    40,579.70x = 2,198,930,754.62
  5. Step 5: Solve for x
    x = 2,198,930,754.62/40,579.70
  6. Step 6: Final answer
    x = 54,187.95

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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.