Home / 82,326.88-113,616.32-50,491.44

Finding the Fourth Proportional to 82,326.88, 113,616.32 and 50,491.44

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Solution

The fourth proportional to 82,326.88, 113,616.32 and 50,491.44 is: 69,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,326.88 : 113,616.32 = 50,491.44 : x
  2. Step 2: Convert to fraction form
    82,326.88/113,616.32 = 50,491.44/x
  3. Step 3: Cross multiply
    82,326.88x = 113,616.32 × 50,491.44
  4. Step 4: Simplify right side
    82,326.88x = 5,736,651,604.30
  5. Step 5: Solve for x
    x = 5,736,651,604.30/82,326.88
  6. Step 6: Final answer
    x = 69,681.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.