Home / 83,608.34-125,416.70-27,425.72

Finding the Fourth Proportional to 83,608.34, 125,416.70 and 27,425.72

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Solution

The fourth proportional to 83,608.34, 125,416.70 and 27,425.72 is: 41,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608.34 : 125,416.70 = 27,425.72 : x
  2. Step 2: Convert to fraction form
    83,608.34/125,416.70 = 27,425.72/x
  3. Step 3: Cross multiply
    83,608.34x = 125,416.70 × 27,425.72
  4. Step 4: Simplify right side
    83,608.34x = 3,439,643,297.52
  5. Step 5: Solve for x
    x = 3,439,643,297.52/83,608.34
  6. Step 6: Final answer
    x = 41,139.95

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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.