Home / 77,689.67-116,517.65-27,773.24

Finding the Fourth Proportional to 77,689.67, 116,517.65 and 27,773.24

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Solution

The fourth proportional to 77,689.67, 116,517.65 and 27,773.24 is: 41,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,689.67 : 116,517.65 = 27,773.24 : x
  2. Step 2: Convert to fraction form
    77,689.67/116,517.65 = 27,773.24/x
  3. Step 3: Cross multiply
    77,689.67x = 116,517.65 × 27,773.24
  4. Step 4: Simplify right side
    77,689.67x = 3,236,072,657.69
  5. Step 5: Solve for x
    x = 3,236,072,657.69/77,689.67
  6. Step 6: Final answer
    x = 41,653.83

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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.