Home / 49,872.78-68,815.06-29,731.56

Finding the Fourth Proportional to 49,872.78, 68,815.06 and 29,731.56

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Solution

The fourth proportional to 49,872.78, 68,815.06 and 29,731.56 is: 41,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,872.78 : 68,815.06 = 29,731.56 : x
  2. Step 2: Convert to fraction form
    49,872.78/68,815.06 = 29,731.56/x
  3. Step 3: Cross multiply
    49,872.78x = 68,815.06 × 29,731.56
  4. Step 4: Simplify right side
    49,872.78x = 2,045,979,085.29
  5. Step 5: Solve for x
    x = 2,045,979,085.29/49,872.78
  6. Step 6: Final answer
    x = 41,023.96

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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.