Home / 76,777.82-115,112.19-29,352.95

Finding the Fourth Proportional to 76,777.82, 115,112.19 and 29,352.95

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Solution

The fourth proportional to 76,777.82, 115,112.19 and 29,352.95 is: 44,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,777.82 : 115,112.19 = 29,352.95 : x
  2. Step 2: Convert to fraction form
    76,777.82/115,112.19 = 29,352.95/x
  3. Step 3: Cross multiply
    76,777.82x = 115,112.19 × 29,352.95
  4. Step 4: Simplify right side
    76,777.82x = 3,378,882,357.46
  5. Step 5: Solve for x
    x = 3,378,882,357.46/76,777.82
  6. Step 6: Final answer
    x = 44,008.57

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1.5x scale

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.