Home / 82,029.50-123,056.13-25,850.60

Finding the Fourth Proportional to 82,029.50, 123,056.13 and 25,850.60

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Solution

The fourth proportional to 82,029.50, 123,056.13 and 25,850.60 is: 38,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,029.50 : 123,056.13 = 25,850.60 : x
  2. Step 2: Convert to fraction form
    82,029.50/123,056.13 = 25,850.60/x
  3. Step 3: Cross multiply
    82,029.50x = 123,056.13 × 25,850.60
  4. Step 4: Simplify right side
    82,029.50x = 3,181,074,794.18
  5. Step 5: Solve for x
    x = 3,181,074,794.18/82,029.50
  6. Step 6: Final answer
    x = 38,779.64

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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.