Home / 77,489.22-116,122.84-44,140.43

Finding the Fourth Proportional to 77,489.22, 116,122.84 and 44,140.43

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Solution

The fourth proportional to 77,489.22, 116,122.84 and 44,140.43 is: 66,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,489.22 : 116,122.84 = 44,140.43 : x
  2. Step 2: Convert to fraction form
    77,489.22/116,122.84 = 44,140.43/x
  3. Step 3: Cross multiply
    77,489.22x = 116,122.84 × 44,140.43
  4. Step 4: Simplify right side
    77,489.22x = 5,125,711,741.33
  5. Step 5: Solve for x
    x = 5,125,711,741.33/77,489.22
  6. Step 6: Final answer
    x = 66,147.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.