Home / 83,858.20-125,787.97-30,588.35

Finding the Fourth Proportional to 83,858.20, 125,787.97 and 30,588.35

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Solution

The fourth proportional to 83,858.20, 125,787.97 and 30,588.35 is: 45,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,858.20 : 125,787.97 = 30,588.35 : x
  2. Step 2: Convert to fraction form
    83,858.20/125,787.97 = 30,588.35/x
  3. Step 3: Cross multiply
    83,858.20x = 125,787.97 × 30,588.35
  4. Step 4: Simplify right side
    83,858.20x = 3,847,646,569.00
  5. Step 5: Solve for x
    x = 3,847,646,569.00/83,858.20
  6. Step 6: Final answer
    x = 45,882.77

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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.