Home / 79,816.53-119,753.42-34,205.10

Finding the Fourth Proportional to 79,816.53, 119,753.42 and 34,205.10

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Solution

The fourth proportional to 79,816.53, 119,753.42 and 34,205.10 is: 51,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,816.53 : 119,753.42 = 34,205.10 : x
  2. Step 2: Convert to fraction form
    79,816.53/119,753.42 = 34,205.10/x
  3. Step 3: Cross multiply
    79,816.53x = 119,753.42 × 34,205.10
  4. Step 4: Simplify right side
    79,816.53x = 4,096,177,706.44
  5. Step 5: Solve for x
    x = 4,096,177,706.44/79,816.53
  6. Step 6: Final answer
    x = 51,319.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.