Home / 83,955.36-125,844.33-27,781.05

Finding the Fourth Proportional to 83,955.36, 125,844.33 and 27,781.05

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Solution

The fourth proportional to 83,955.36, 125,844.33 and 27,781.05 is: 41,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,955.36 : 125,844.33 = 27,781.05 : x
  2. Step 2: Convert to fraction form
    83,955.36/125,844.33 = 27,781.05/x
  3. Step 3: Cross multiply
    83,955.36x = 125,844.33 × 27,781.05
  4. Step 4: Simplify right side
    83,955.36x = 3,496,087,623.95
  5. Step 5: Solve for x
    x = 3,496,087,623.95/83,955.36
  6. Step 6: Final answer
    x = 41,642.22

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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.