Home / 68,401.15-94,397.24-40,108.99

Finding the Fourth Proportional to 68,401.15, 94,397.24 and 40,108.99

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Solution

The fourth proportional to 68,401.15, 94,397.24 and 40,108.99 is: 55,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401.15 : 94,397.24 = 40,108.99 : x
  2. Step 2: Convert to fraction form
    68,401.15/94,397.24 = 40,108.99/x
  3. Step 3: Cross multiply
    68,401.15x = 94,397.24 × 40,108.99
  4. Step 4: Simplify right side
    68,401.15x = 3,786,177,955.19
  5. Step 5: Solve for x
    x = 3,786,177,955.19/68,401.15
  6. Step 6: Final answer
    x = 55,352.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.