Home / 76,202.62-105,136.86-49,302.52

Finding the Fourth Proportional to 76,202.62, 105,136.86 and 49,302.52

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Solution

The fourth proportional to 76,202.62, 105,136.86 and 49,302.52 is: 68,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,202.62 : 105,136.86 = 49,302.52 : x
  2. Step 2: Convert to fraction form
    76,202.62/105,136.86 = 49,302.52/x
  3. Step 3: Cross multiply
    76,202.62x = 105,136.86 × 49,302.52
  4. Step 4: Simplify right side
    76,202.62x = 5,183,512,142.89
  5. Step 5: Solve for x
    x = 5,183,512,142.89/76,202.62
  6. Step 6: Final answer
    x = 68,022.75

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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.