Home / 83,856.06-125,805.96-31,266

Finding the Fourth Proportional to 83,856.06, 125,805.96 and 31,266

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Solution

The fourth proportional to 83,856.06, 125,805.96 and 31,266 is: 46,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,856.06 : 125,805.96 = 31,266 : x
  2. Step 2: Convert to fraction form
    83,856.06/125,805.96 = 31,266/x
  3. Step 3: Cross multiply
    83,856.06x = 125,805.96 × 31,266
  4. Step 4: Simplify right side
    83,856.06x = 3,933,449,145.36
  5. Step 5: Solve for x
    x = 3,933,449,145.36/83,856.06
  6. Step 6: Final answer
    x = 46,907.15

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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.