Home / 82,882.35-124,431.93-49,209.84

Finding the Fourth Proportional to 82,882.35, 124,431.93 and 49,209.84

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Solution

The fourth proportional to 82,882.35, 124,431.93 and 49,209.84 is: 73,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.35 : 124,431.93 = 49,209.84 : x
  2. Step 2: Convert to fraction form
    82,882.35/124,431.93 = 49,209.84/x
  3. Step 3: Cross multiply
    82,882.35x = 124,431.93 × 49,209.84
  4. Step 4: Simplify right side
    82,882.35x = 6,123,275,366.19
  5. Step 5: Solve for x
    x = 6,123,275,366.19/82,882.35
  6. Step 6: Final answer
    x = 73,879.12

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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.