Home / 49,396.46-68,165.78-28,175.28

Finding the Fourth Proportional to 49,396.46, 68,165.78 and 28,175.28

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Solution

The fourth proportional to 49,396.46, 68,165.78 and 28,175.28 is: 38,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,396.46 : 68,165.78 = 28,175.28 : x
  2. Step 2: Convert to fraction form
    49,396.46/68,165.78 = 28,175.28/x
  3. Step 3: Cross multiply
    49,396.46x = 68,165.78 × 28,175.28
  4. Step 4: Simplify right side
    49,396.46x = 1,920,589,937.92
  5. Step 5: Solve for x
    x = 1,920,589,937.92/49,396.46
  6. Step 6: Final answer
    x = 38,881.13

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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.