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Finding the Fourth Proportional to 80,350.12, 110,871.54 and 44,540.12

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Solution

The fourth proportional to 80,350.12, 110,871.54 and 44,540.12 is: 61,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,350.12 : 110,871.54 = 44,540.12 : x
  2. Step 2: Convert to fraction form
    80,350.12/110,871.54 = 44,540.12/x
  3. Step 3: Cross multiply
    80,350.12x = 110,871.54 × 44,540.12
  4. Step 4: Simplify right side
    80,350.12x = 4,938,231,696.18
  5. Step 5: Solve for x
    x = 4,938,231,696.18/80,350.12
  6. Step 6: Final answer
    x = 61,458.92

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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.