Home / 68,641.56-102,922.92-36,581.16

Finding the Fourth Proportional to 68,641.56, 102,922.92 and 36,581.16

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Solution

The fourth proportional to 68,641.56, 102,922.92 and 36,581.16 is: 54,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,641.56 : 102,922.92 = 36,581.16 : x
  2. Step 2: Convert to fraction form
    68,641.56/102,922.92 = 36,581.16/x
  3. Step 3: Cross multiply
    68,641.56x = 102,922.92 × 36,581.16
  4. Step 4: Simplify right side
    68,641.56x = 3,765,039,804.19
  5. Step 5: Solve for x
    x = 3,765,039,804.19/68,641.56
  6. Step 6: Final answer
    x = 54,850.73

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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.