Home / 80,532.89-111,136.73-44,237.69

Finding the Fourth Proportional to 80,532.89, 111,136.73 and 44,237.69

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Solution

The fourth proportional to 80,532.89, 111,136.73 and 44,237.69 is: 61,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.89 : 111,136.73 = 44,237.69 : x
  2. Step 2: Convert to fraction form
    80,532.89/111,136.73 = 44,237.69/x
  3. Step 3: Cross multiply
    80,532.89x = 111,136.73 × 44,237.69
  4. Step 4: Simplify right side
    80,532.89x = 4,916,431,849.24
  5. Step 5: Solve for x
    x = 4,916,431,849.24/80,532.89
  6. Step 6: Final answer
    x = 61,048.75

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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.