Home / 49,837.46-68,772.56-28,601.78

Finding the Fourth Proportional to 49,837.46, 68,772.56 and 28,601.78

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Solution

The fourth proportional to 49,837.46, 68,772.56 and 28,601.78 is: 39,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,837.46 : 68,772.56 = 28,601.78 : x
  2. Step 2: Convert to fraction form
    49,837.46/68,772.56 = 28,601.78/x
  3. Step 3: Cross multiply
    49,837.46x = 68,772.56 × 28,601.78
  4. Step 4: Simplify right side
    49,837.46x = 1,967,017,631.16
  5. Step 5: Solve for x
    x = 1,967,017,631.16/49,837.46
  6. Step 6: Final answer
    x = 39,468.66

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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.