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Finding the Fourth Proportional to 80,752.22, 111,436.94 and 44,942.22

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Solution

The fourth proportional to 80,752.22, 111,436.94 and 44,942.22 is: 62,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752.22 : 111,436.94 = 44,942.22 : x
  2. Step 2: Convert to fraction form
    80,752.22/111,436.94 = 44,942.22/x
  3. Step 3: Cross multiply
    80,752.22x = 111,436.94 × 44,942.22
  4. Step 4: Simplify right side
    80,752.22x = 5,008,223,473.61
  5. Step 5: Solve for x
    x = 5,008,223,473.61/80,752.22
  6. Step 6: Final answer
    x = 62,019.64

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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.