Home / 81,469.41-112,426.06-45,658.65

Finding the Fourth Proportional to 81,469.41, 112,426.06 and 45,658.65

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Solution

The fourth proportional to 81,469.41, 112,426.06 and 45,658.65 is: 63,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,469.41 : 112,426.06 = 45,658.65 : x
  2. Step 2: Convert to fraction form
    81,469.41/112,426.06 = 45,658.65/x
  3. Step 3: Cross multiply
    81,469.41x = 112,426.06 × 45,658.65
  4. Step 4: Simplify right side
    81,469.41x = 5,133,221,896.13
  5. Step 5: Solve for x
    x = 5,133,221,896.13/81,469.41
  6. Step 6: Final answer
    x = 63,007.97

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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.