Home / 49,772.88-74,643.12-18,175.68

Finding the Fourth Proportional to 49,772.88, 74,643.12 and 18,175.68

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Solution

The fourth proportional to 49,772.88, 74,643.12 and 18,175.68 is: 27,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.88 : 74,643.12 = 18,175.68 : x
  2. Step 2: Convert to fraction form
    49,772.88/74,643.12 = 18,175.68/x
  3. Step 3: Cross multiply
    49,772.88x = 74,643.12 × 18,175.68
  4. Step 4: Simplify right side
    49,772.88x = 1,356,689,463.32
  5. Step 5: Solve for x
    x = 1,356,689,463.32/49,772.88
  6. Step 6: Final answer
    x = 27,257.60

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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.