Home / 82,986.69-124,441.11-30,359.37

Finding the Fourth Proportional to 82,986.69, 124,441.11 and 30,359.37

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Solution

The fourth proportional to 82,986.69, 124,441.11 and 30,359.37 is: 45,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986.69 : 124,441.11 = 30,359.37 : x
  2. Step 2: Convert to fraction form
    82,986.69/124,441.11 = 30,359.37/x
  3. Step 3: Cross multiply
    82,986.69x = 124,441.11 × 30,359.37
  4. Step 4: Simplify right side
    82,986.69x = 3,777,953,701.70
  5. Step 5: Solve for x
    x = 3,777,953,701.70/82,986.69
  6. Step 6: Final answer
    x = 45,524.81

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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.