Home / 77,295.20-115,250.42-75,895.52

Finding the Fourth Proportional to 77,295.20, 115,250.42 and 75,895.52

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Solution

The fourth proportional to 77,295.20, 115,250.42 and 75,895.52 is: 113,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,295.20 : 115,250.42 = 75,895.52 : x
  2. Step 2: Convert to fraction form
    77,295.20/115,250.42 = 75,895.52/x
  3. Step 3: Cross multiply
    77,295.20x = 115,250.42 × 75,895.52
  4. Step 4: Simplify right side
    77,295.20x = 8,746,990,556.12
  5. Step 5: Solve for x
    x = 8,746,990,556.12/77,295.20
  6. Step 6: Final answer
    x = 113,163.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.