Home / 49,817.74-68,742.90-29,671.78

Finding the Fourth Proportional to 49,817.74, 68,742.90 and 29,671.78

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Solution

The fourth proportional to 49,817.74, 68,742.90 and 29,671.78 is: 40,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,817.74 : 68,742.90 = 29,671.78 : x
  2. Step 2: Convert to fraction form
    49,817.74/68,742.90 = 29,671.78/x
  3. Step 3: Cross multiply
    49,817.74x = 68,742.90 × 29,671.78
  4. Step 4: Simplify right side
    49,817.74x = 2,039,724,205.36
  5. Step 5: Solve for x
    x = 2,039,724,205.36/49,817.74
  6. Step 6: Final answer
    x = 40,943.73

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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.