Home / 82,209.20-123,318.05-26,055.27

Finding the Fourth Proportional to 82,209.20, 123,318.05 and 26,055.27

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Solution

The fourth proportional to 82,209.20, 123,318.05 and 26,055.27 is: 39,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,209.20 : 123,318.05 = 26,055.27 : x
  2. Step 2: Convert to fraction form
    82,209.20/123,318.05 = 26,055.27/x
  3. Step 3: Cross multiply
    82,209.20x = 123,318.05 × 26,055.27
  4. Step 4: Simplify right side
    82,209.20x = 3,213,084,958.35
  5. Step 5: Solve for x
    x = 3,213,084,958.35/82,209.20
  6. Step 6: Final answer
    x = 39,084.25

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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.