Home / 84,284.28-126,524.16-49,249.08

Finding the Fourth Proportional to 84,284.28, 126,524.16 and 49,249.08

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Solution

The fourth proportional to 84,284.28, 126,524.16 and 49,249.08 is: 73,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,284.28 : 126,524.16 = 49,249.08 : x
  2. Step 2: Convert to fraction form
    84,284.28/126,524.16 = 49,249.08/x
  3. Step 3: Cross multiply
    84,284.28x = 126,524.16 × 49,249.08
  4. Step 4: Simplify right side
    84,284.28x = 6,231,198,477.77
  5. Step 5: Solve for x
    x = 6,231,198,477.77/84,284.28
  6. Step 6: Final answer
    x = 73,930.73

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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.