Home / 77,401.33-116,104.22-21,241.90

Finding the Fourth Proportional to 77,401.33, 116,104.22 and 21,241.90

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Solution

The fourth proportional to 77,401.33, 116,104.22 and 21,241.90 is: 31,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401.33 : 116,104.22 = 21,241.90 : x
  2. Step 2: Convert to fraction form
    77,401.33/116,104.22 = 21,241.90/x
  3. Step 3: Cross multiply
    77,401.33x = 116,104.22 × 21,241.90
  4. Step 4: Simplify right side
    77,401.33x = 2,466,274,124.61
  5. Step 5: Solve for x
    x = 2,466,274,124.61/77,401.33
  6. Step 6: Final answer
    x = 31,863.46

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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.