Home / 83,399.84-125,158.08-36,685.44

Finding the Fourth Proportional to 83,399.84, 125,158.08 and 36,685.44

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Solution

The fourth proportional to 83,399.84, 125,158.08 and 36,685.44 is: 55,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,399.84 : 125,158.08 = 36,685.44 : x
  2. Step 2: Convert to fraction form
    83,399.84/125,158.08 = 36,685.44/x
  3. Step 3: Cross multiply
    83,399.84x = 125,158.08 × 36,685.44
  4. Step 4: Simplify right side
    83,399.84x = 4,591,479,234.36
  5. Step 5: Solve for x
    x = 4,591,479,234.36/83,399.84
  6. Step 6: Final answer
    x = 55,053.81

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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.