Home / 83,634.82-125,419.51-30,314.14

Finding the Fourth Proportional to 83,634.82, 125,419.51 and 30,314.14

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Solution

The fourth proportional to 83,634.82, 125,419.51 and 30,314.14 is: 45,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.82 : 125,419.51 = 30,314.14 : x
  2. Step 2: Convert to fraction form
    83,634.82/125,419.51 = 30,314.14/x
  3. Step 3: Cross multiply
    83,634.82x = 125,419.51 × 30,314.14
  4. Step 4: Simplify right side
    83,634.82x = 3,801,984,584.87
  5. Step 5: Solve for x
    x = 3,801,984,584.87/83,634.82
  6. Step 6: Final answer
    x = 45,459.35

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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.