Home / 68,576.82-94,624.11-40,288.38

Finding the Fourth Proportional to 68,576.82, 94,624.11 and 40,288.38

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Solution

The fourth proportional to 68,576.82, 94,624.11 and 40,288.38 is: 55,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,576.82 : 94,624.11 = 40,288.38 : x
  2. Step 2: Convert to fraction form
    68,576.82/94,624.11 = 40,288.38/x
  3. Step 3: Cross multiply
    68,576.82x = 94,624.11 × 40,288.38
  4. Step 4: Simplify right side
    68,576.82x = 3,812,252,100.84
  5. Step 5: Solve for x
    x = 3,812,252,100.84/68,576.82
  6. Step 6: Final answer
    x = 55,590.97

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1.5x scale

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.