Home / 76,568.72-115,087.32-63,505.04

Finding the Fourth Proportional to 76,568.72, 115,087.32 and 63,505.04

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Solution

The fourth proportional to 76,568.72, 115,087.32 and 63,505.04 is: 95,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,568.72 : 115,087.32 = 63,505.04 : x
  2. Step 2: Convert to fraction form
    76,568.72/115,087.32 = 63,505.04/x
  3. Step 3: Cross multiply
    76,568.72x = 115,087.32 × 63,505.04
  4. Step 4: Simplify right side
    76,568.72x = 7,308,624,860.09
  5. Step 5: Solve for x
    x = 7,308,624,860.09/76,568.72
  6. Step 6: Final answer
    x = 95,451.84

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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.