Home / 80,701.43-111,365.42-44,891.12

Finding the Fourth Proportional to 80,701.43, 111,365.42 and 44,891.12

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Solution

The fourth proportional to 80,701.43, 111,365.42 and 44,891.12 is: 61,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,701.43 : 111,365.42 = 44,891.12 : x
  2. Step 2: Convert to fraction form
    80,701.43/111,365.42 = 44,891.12/x
  3. Step 3: Cross multiply
    80,701.43x = 111,365.42 × 44,891.12
  4. Step 4: Simplify right side
    80,701.43x = 4,999,318,487.03
  5. Step 5: Solve for x
    x = 4,999,318,487.03/80,701.43
  6. Step 6: Final answer
    x = 61,948.33

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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.