Home / 68,733.72-103,133.10-37,568.04

Finding the Fourth Proportional to 68,733.72, 103,133.10 and 37,568.04

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Solution

The fourth proportional to 68,733.72, 103,133.10 and 37,568.04 is: 56,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.72 : 103,133.10 = 37,568.04 : x
  2. Step 2: Convert to fraction form
    68,733.72/103,133.10 = 37,568.04/x
  3. Step 3: Cross multiply
    68,733.72x = 103,133.10 × 37,568.04
  4. Step 4: Simplify right side
    68,733.72x = 3,874,508,426.12
  5. Step 5: Solve for x
    x = 3,874,508,426.12/68,733.72
  6. Step 6: Final answer
    x = 56,369.83

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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.