Home / 83,921.01-125,851.53-27,750.75

Finding the Fourth Proportional to 83,921.01, 125,851.53 and 27,750.75

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Solution

The fourth proportional to 83,921.01, 125,851.53 and 27,750.75 is: 41,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,921.01 : 125,851.53 = 27,750.75 : x
  2. Step 2: Convert to fraction form
    83,921.01/125,851.53 = 27,750.75/x
  3. Step 3: Cross multiply
    83,921.01x = 125,851.53 × 27,750.75
  4. Step 4: Simplify right side
    83,921.01x = 3,492,474,346.15
  5. Step 5: Solve for x
    x = 3,492,474,346.15/83,921.01
  6. Step 6: Final answer
    x = 41,616.21

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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.