Home / 82,871.44-124,330.10-32,986.56

Finding the Fourth Proportional to 82,871.44, 124,330.10 and 32,986.56

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Solution

The fourth proportional to 82,871.44, 124,330.10 and 32,986.56 is: 49,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,871.44 : 124,330.10 = 32,986.56 : x
  2. Step 2: Convert to fraction form
    82,871.44/124,330.10 = 32,986.56/x
  3. Step 3: Cross multiply
    82,871.44x = 124,330.10 × 32,986.56
  4. Step 4: Simplify right side
    82,871.44x = 4,101,222,932.48
  5. Step 5: Solve for x
    x = 4,101,222,932.48/82,871.44
  6. Step 6: Final answer
    x = 49,488.98

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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.