Home / 81,176.31-111,950.81-50,964.48

Finding the Fourth Proportional to 81,176.31, 111,950.81 and 50,964.48

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Solution

The fourth proportional to 81,176.31, 111,950.81 and 50,964.48 is: 70,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.31 : 111,950.81 = 50,964.48 : x
  2. Step 2: Convert to fraction form
    81,176.31/111,950.81 = 50,964.48/x
  3. Step 3: Cross multiply
    81,176.31x = 111,950.81 × 50,964.48
  4. Step 4: Simplify right side
    81,176.31x = 5,705,514,562.41
  5. Step 5: Solve for x
    x = 5,705,514,562.41/81,176.31
  6. Step 6: Final answer
    x = 70,285.46

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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.