Home / 48,936.89-67,531.52-28,789.16

Finding the Fourth Proportional to 48,936.89, 67,531.52 and 28,789.16

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Solution

The fourth proportional to 48,936.89, 67,531.52 and 28,789.16 is: 39,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,936.89 : 67,531.52 = 28,789.16 : x
  2. Step 2: Convert to fraction form
    48,936.89/67,531.52 = 28,789.16/x
  3. Step 3: Cross multiply
    48,936.89x = 67,531.52 × 28,789.16
  4. Step 4: Simplify right side
    48,936.89x = 1,944,175,468.64
  5. Step 5: Solve for x
    x = 1,944,175,468.64/48,936.89
  6. Step 6: Final answer
    x = 39,728.22

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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.