Home / 83,840.20-125,775.82-27,684.22

Finding the Fourth Proportional to 83,840.20, 125,775.82 and 27,684.22

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Solution

The fourth proportional to 83,840.20, 125,775.82 and 27,684.22 is: 41,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.20 : 125,775.82 = 27,684.22 : x
  2. Step 2: Convert to fraction form
    83,840.20/125,775.82 = 27,684.22/x
  3. Step 3: Cross multiply
    83,840.20x = 125,775.82 × 27,684.22
  4. Step 4: Simplify right side
    83,840.20x = 3,482,005,471.56
  5. Step 5: Solve for x
    x = 3,482,005,471.56/83,840.20
  6. Step 6: Final answer
    x = 41,531.45

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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.