Home / 80,871.52-111,601.44-45,061.36

Finding the Fourth Proportional to 80,871.52, 111,601.44 and 45,061.36

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Solution

The fourth proportional to 80,871.52, 111,601.44 and 45,061.36 is: 62,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,871.52 : 111,601.44 = 45,061.36 : x
  2. Step 2: Convert to fraction form
    80,871.52/111,601.44 = 45,061.36/x
  3. Step 3: Cross multiply
    80,871.52x = 111,601.44 × 45,061.36
  4. Step 4: Simplify right side
    80,871.52x = 5,028,912,664.36
  5. Step 5: Solve for x
    x = 5,028,912,664.36/80,871.52
  6. Step 6: Final answer
    x = 62,183.98

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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.