Home / 49,136.16-67,809.78-26,780.16

Finding the Fourth Proportional to 49,136.16, 67,809.78 and 26,780.16

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Solution

The fourth proportional to 49,136.16, 67,809.78 and 26,780.16 is: 36,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,136.16 : 67,809.78 = 26,780.16 : x
  2. Step 2: Convert to fraction form
    49,136.16/67,809.78 = 26,780.16/x
  3. Step 3: Cross multiply
    49,136.16x = 67,809.78 × 26,780.16
  4. Step 4: Simplify right side
    49,136.16x = 1,815,956,757.96
  5. Step 5: Solve for x
    x = 1,815,956,757.96/49,136.16
  6. Step 6: Final answer
    x = 36,957.65

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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.