Home / 82,811.44-124,136.16-32,874.94

Finding the Fourth Proportional to 82,811.44, 124,136.16 and 32,874.94

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Solution

The fourth proportional to 82,811.44, 124,136.16 and 32,874.94 is: 49,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811.44 : 124,136.16 = 32,874.94 : x
  2. Step 2: Convert to fraction form
    82,811.44/124,136.16 = 32,874.94/x
  3. Step 3: Cross multiply
    82,811.44x = 124,136.16 × 32,874.94
  4. Step 4: Simplify right side
    82,811.44x = 4,080,968,811.83
  5. Step 5: Solve for x
    x = 4,080,968,811.83/82,811.44
  6. Step 6: Final answer
    x = 49,280.25

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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.