Home / 82,104.77-113,356.30-62,949.02

Finding the Fourth Proportional to 82,104.77, 113,356.30 and 62,949.02

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Solution

The fourth proportional to 82,104.77, 113,356.30 and 62,949.02 is: 86,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,104.77 : 113,356.30 = 62,949.02 : x
  2. Step 2: Convert to fraction form
    82,104.77/113,356.30 = 62,949.02/x
  3. Step 3: Cross multiply
    82,104.77x = 113,356.30 × 62,949.02
  4. Step 4: Simplify right side
    82,104.77x = 7,135,668,121.84
  5. Step 5: Solve for x
    x = 7,135,668,121.84/82,104.77
  6. Step 6: Final answer
    x = 86,909.30

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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.