Home / 72,537.18-108,839.30-33,106.38

Finding the Fourth Proportional to 72,537.18, 108,839.30 and 33,106.38

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Solution

The fourth proportional to 72,537.18, 108,839.30 and 33,106.38 is: 49,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,537.18 : 108,839.30 = 33,106.38 : x
  2. Step 2: Convert to fraction form
    72,537.18/108,839.30 = 33,106.38/x
  3. Step 3: Cross multiply
    72,537.18x = 108,839.30 × 33,106.38
  4. Step 4: Simplify right side
    72,537.18x = 3,603,275,059.20
  5. Step 5: Solve for x
    x = 3,603,275,059.20/72,537.18
  6. Step 6: Final answer
    x = 49,674.87

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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.