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Finding the Fourth Proportional to 80,315.67, 110,834.33 and 44,505.57

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Solution

The fourth proportional to 80,315.67, 110,834.33 and 44,505.57 is: 61,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,315.67 : 110,834.33 = 44,505.57 : x
  2. Step 2: Convert to fraction form
    80,315.67/110,834.33 = 44,505.57/x
  3. Step 3: Cross multiply
    80,315.67x = 110,834.33 × 44,505.57
  4. Step 4: Simplify right side
    80,315.67x = 4,932,744,809.69
  5. Step 5: Solve for x
    x = 4,932,744,809.69/80,315.67
  6. Step 6: Final answer
    x = 61,416.97

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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.