Home / 83,884.07-125,911.46-36,520.33

Finding the Fourth Proportional to 83,884.07, 125,911.46 and 36,520.33

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Solution

The fourth proportional to 83,884.07, 125,911.46 and 36,520.33 is: 54,817.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,884.07 : 125,911.46 = 36,520.33 : x
  2. Step 2: Convert to fraction form
    83,884.07/125,911.46 = 36,520.33/x
  3. Step 3: Cross multiply
    83,884.07x = 125,911.46 × 36,520.33
  4. Step 4: Simplify right side
    83,884.07x = 4,598,328,069.98
  5. Step 5: Solve for x
    x = 4,598,328,069.98/83,884.07
  6. Step 6: Final answer
    x = 54,817.66

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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.