Home / 68,679.57-94,766.98-40,003.95

Finding the Fourth Proportional to 68,679.57, 94,766.98 and 40,003.95

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Solution

The fourth proportional to 68,679.57, 94,766.98 and 40,003.95 is: 55,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,679.57 : 94,766.98 = 40,003.95 : x
  2. Step 2: Convert to fraction form
    68,679.57/94,766.98 = 40,003.95/x
  3. Step 3: Cross multiply
    68,679.57x = 94,766.98 × 40,003.95
  4. Step 4: Simplify right side
    68,679.57x = 3,791,053,529.57
  5. Step 5: Solve for x
    x = 3,791,053,529.57/68,679.57
  6. Step 6: Final answer
    x = 55,199.14

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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.