Home / 83,419.10-125,135.58-27,258.02

Finding the Fourth Proportional to 83,419.10, 125,135.58 and 27,258.02

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Solution

The fourth proportional to 83,419.10, 125,135.58 and 27,258.02 is: 40,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419.10 : 125,135.58 = 27,258.02 : x
  2. Step 2: Convert to fraction form
    83,419.10/125,135.58 = 27,258.02/x
  3. Step 3: Cross multiply
    83,419.10x = 125,135.58 × 27,258.02
  4. Step 4: Simplify right side
    83,419.10x = 3,410,948,142.35
  5. Step 5: Solve for x
    x = 3,410,948,142.35/83,419.10
  6. Step 6: Final answer
    x = 40,889.29

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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.