Home / 83,855.56-125,841.66-54,199.84

Finding the Fourth Proportional to 83,855.56, 125,841.66 and 54,199.84

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Solution

The fourth proportional to 83,855.56, 125,841.66 and 54,199.84 is: 81,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,855.56 : 125,841.66 = 54,199.84 : x
  2. Step 2: Convert to fraction form
    83,855.56/125,841.66 = 54,199.84/x
  3. Step 3: Cross multiply
    83,855.56x = 125,841.66 × 54,199.84
  4. Step 4: Simplify right side
    83,855.56x = 6,820,597,860.31
  5. Step 5: Solve for x
    x = 6,820,597,860.31/83,855.56
  6. Step 6: Final answer
    x = 81,337.46

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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.