Home / 89,568.64-123,591.68-53,751.04

Finding the Fourth Proportional to 89,568.64, 123,591.68 and 53,751.04

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Solution

The fourth proportional to 89,568.64, 123,591.68 and 53,751.04 is: 74,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,568.64 : 123,591.68 = 53,751.04 : x
  2. Step 2: Convert to fraction form
    89,568.64/123,591.68 = 53,751.04/x
  3. Step 3: Cross multiply
    89,568.64x = 123,591.68 × 53,751.04
  4. Step 4: Simplify right side
    89,568.64x = 6,643,181,335.35
  5. Step 5: Solve for x
    x = 6,643,181,335.35/89,568.64
  6. Step 6: Final answer
    x = 74,168.61

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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.