Home / 80,532.72-111,136.92-44,722.20

Finding the Fourth Proportional to 80,532.72, 111,136.92 and 44,722.20

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Solution

The fourth proportional to 80,532.72, 111,136.92 and 44,722.20 is: 61,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.72 : 111,136.92 = 44,722.20 : x
  2. Step 2: Convert to fraction form
    80,532.72/111,136.92 = 44,722.20/x
  3. Step 3: Cross multiply
    80,532.72x = 111,136.92 × 44,722.20
  4. Step 4: Simplify right side
    80,532.72x = 4,970,287,563.62
  5. Step 5: Solve for x
    x = 4,970,287,563.62/80,532.72
  6. Step 6: Final answer
    x = 61,717.62

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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.