Home / 83,542.39-125,333.02-27,379.01

Finding the Fourth Proportional to 83,542.39, 125,333.02 and 27,379.01

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Solution

The fourth proportional to 83,542.39, 125,333.02 and 27,379.01 is: 41,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542.39 : 125,333.02 = 27,379.01 : x
  2. Step 2: Convert to fraction form
    83,542.39/125,333.02 = 27,379.01/x
  3. Step 3: Cross multiply
    83,542.39x = 125,333.02 × 27,379.01
  4. Step 4: Simplify right side
    83,542.39x = 3,431,494,355.47
  5. Step 5: Solve for x
    x = 3,431,494,355.47/83,542.39
  6. Step 6: Final answer
    x = 41,074.89

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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.