Home / 83,521.25-125,250.79-36,143.22

Finding the Fourth Proportional to 83,521.25, 125,250.79 and 36,143.22

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Solution

The fourth proportional to 83,521.25, 125,250.79 and 36,143.22 is: 54,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.25 : 125,250.79 = 36,143.22 : x
  2. Step 2: Convert to fraction form
    83,521.25/125,250.79 = 36,143.22/x
  3. Step 3: Cross multiply
    83,521.25x = 125,250.79 × 36,143.22
  4. Step 4: Simplify right side
    83,521.25x = 4,526,966,858.14
  5. Step 5: Solve for x
    x = 4,526,966,858.14/83,521.25
  6. Step 6: Final answer
    x = 54,201.38

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1.5x scale

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.