Home / 73,836.34-110,785.49-31,725.65

Finding the Fourth Proportional to 73,836.34, 110,785.49 and 31,725.65

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Solution

The fourth proportional to 73,836.34, 110,785.49 and 31,725.65 is: 47,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,836.34 : 110,785.49 = 31,725.65 : x
  2. Step 2: Convert to fraction form
    73,836.34/110,785.49 = 31,725.65/x
  3. Step 3: Cross multiply
    73,836.34x = 110,785.49 × 31,725.65
  4. Step 4: Simplify right side
    73,836.34x = 3,514,741,680.82
  5. Step 5: Solve for x
    x = 3,514,741,680.82/73,836.34
  6. Step 6: Final answer
    x = 47,601.79

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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.