Home / 45,340.19-68,015.46-12,061.61

Finding the Fourth Proportional to 45,340.19, 68,015.46 and 12,061.61

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Solution

The fourth proportional to 45,340.19, 68,015.46 and 12,061.61 is: 18,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,340.19 : 68,015.46 = 12,061.61 : x
  2. Step 2: Convert to fraction form
    45,340.19/68,015.46 = 12,061.61/x
  3. Step 3: Cross multiply
    45,340.19x = 68,015.46 × 12,061.61
  4. Step 4: Simplify right side
    45,340.19x = 820,375,952.49
  5. Step 5: Solve for x
    x = 820,375,952.49/45,340.19
  6. Step 6: Final answer
    x = 18,093.79

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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.