Home / 68,575.32-94,622.04-40,286.88

Finding the Fourth Proportional to 68,575.32, 94,622.04 and 40,286.88

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Solution

The fourth proportional to 68,575.32, 94,622.04 and 40,286.88 is: 55,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,575.32 : 94,622.04 = 40,286.88 : x
  2. Step 2: Convert to fraction form
    68,575.32/94,622.04 = 40,286.88/x
  3. Step 3: Cross multiply
    68,575.32x = 94,622.04 × 40,286.88
  4. Step 4: Simplify right side
    68,575.32x = 3,812,026,770.84
  5. Step 5: Solve for x
    x = 3,812,026,770.84/68,575.32
  6. Step 6: Final answer
    x = 55,588.90

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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.