Home / 76,966.38-115,466.88-27,049.92

Finding the Fourth Proportional to 76,966.38, 115,466.88 and 27,049.92

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Solution

The fourth proportional to 76,966.38, 115,466.88 and 27,049.92 is: 40,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,966.38 : 115,466.88 = 27,049.92 : x
  2. Step 2: Convert to fraction form
    76,966.38/115,466.88 = 27,049.92/x
  3. Step 3: Cross multiply
    76,966.38x = 115,466.88 × 27,049.92
  4. Step 4: Simplify right side
    76,966.38x = 3,123,369,866.65
  5. Step 5: Solve for x
    x = 3,123,369,866.65/76,966.38
  6. Step 6: Final answer
    x = 40,580.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.