Home / 77,107.47-115,677-32,734.05

Finding the Fourth Proportional to 77,107.47, 115,677 and 32,734.05

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Solution

The fourth proportional to 77,107.47, 115,677 and 32,734.05 is: 49,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,107.47 : 115,677 = 32,734.05 : x
  2. Step 2: Convert to fraction form
    77,107.47/115,677 = 32,734.05/x
  3. Step 3: Cross multiply
    77,107.47x = 115,677 × 32,734.05
  4. Step 4: Simplify right side
    77,107.47x = 3,786,576,701.85
  5. Step 5: Solve for x
    x = 3,786,576,701.85/77,107.47
  6. Step 6: Final answer
    x = 49,107.78

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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.