Home / 48,453.70-72,680.55-45,535.30

Finding the Fourth Proportional to 48,453.70, 72,680.55 and 45,535.30

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Solution

The fourth proportional to 48,453.70, 72,680.55 and 45,535.30 is: 68,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,453.70 : 72,680.55 = 45,535.30 : x
  2. Step 2: Convert to fraction form
    48,453.70/72,680.55 = 45,535.30/x
  3. Step 3: Cross multiply
    48,453.70x = 72,680.55 × 45,535.30
  4. Step 4: Simplify right side
    48,453.70x = 3,309,530,648.42
  5. Step 5: Solve for x
    x = 3,309,530,648.42/48,453.70
  6. Step 6: Final answer
    x = 68,302.95

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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.