Home / 68,818.16-94,964.28-40,517.84

Finding the Fourth Proportional to 68,818.16, 94,964.28 and 40,517.84

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Solution

The fourth proportional to 68,818.16, 94,964.28 and 40,517.84 is: 55,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,818.16 : 94,964.28 = 40,517.84 : x
  2. Step 2: Convert to fraction form
    68,818.16/94,964.28 = 40,517.84/x
  3. Step 3: Cross multiply
    68,818.16x = 94,964.28 × 40,517.84
  4. Step 4: Simplify right side
    68,818.16x = 3,847,747,502.76
  5. Step 5: Solve for x
    x = 3,847,747,502.76/68,818.16
  6. Step 6: Final answer
    x = 55,911.80

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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.