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Finding the Fourth Proportional to 83,954.48, 125,940.96 and 27,774.12

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Solution

The fourth proportional to 83,954.48, 125,940.96 and 27,774.12 is: 41,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,954.48 : 125,940.96 = 27,774.12 : x
  2. Step 2: Convert to fraction form
    83,954.48/125,940.96 = 27,774.12/x
  3. Step 3: Cross multiply
    83,954.48x = 125,940.96 × 27,774.12
  4. Step 4: Simplify right side
    83,954.48x = 3,497,899,335.96
  5. Step 5: Solve for x
    x = 3,497,899,335.96/83,954.48
  6. Step 6: Final answer
    x = 41,664.24

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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.