Home / 80,940.72-111,693.60-44,634.96

Finding the Fourth Proportional to 80,940.72, 111,693.60 and 44,634.96

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Solution

The fourth proportional to 80,940.72, 111,693.60 and 44,634.96 is: 61,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,940.72 : 111,693.60 = 44,634.96 : x
  2. Step 2: Convert to fraction form
    80,940.72/111,693.60 = 44,634.96/x
  3. Step 3: Cross multiply
    80,940.72x = 111,693.60 × 44,634.96
  4. Step 4: Simplify right side
    80,940.72x = 4,985,439,368.26
  5. Step 5: Solve for x
    x = 4,985,439,368.26/80,940.72
  6. Step 6: Final answer
    x = 61,593.71

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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.