Home / 99,904.08-149,882.04-49,982.16

Finding the Fourth Proportional to 99,904.08, 149,882.04 and 49,982.16

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Solution

The fourth proportional to 99,904.08, 149,882.04 and 49,982.16 is: 74,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,904.08 : 149,882.04 = 49,982.16 : x
  2. Step 2: Convert to fraction form
    99,904.08/149,882.04 = 49,982.16/x
  3. Step 3: Cross multiply
    99,904.08x = 149,882.04 × 49,982.16
  4. Step 4: Simplify right side
    99,904.08x = 7,491,428,104.41
  5. Step 5: Solve for x
    x = 7,491,428,104.41/99,904.08
  6. Step 6: Final answer
    x = 74,986.21

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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.