Home / 82,255.63-123,387.83-26,100.14

Finding the Fourth Proportional to 82,255.63, 123,387.83 and 26,100.14

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Solution

The fourth proportional to 82,255.63, 123,387.83 and 26,100.14 is: 39,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,255.63 : 123,387.83 = 26,100.14 : x
  2. Step 2: Convert to fraction form
    82,255.63/123,387.83 = 26,100.14/x
  3. Step 3: Cross multiply
    82,255.63x = 123,387.83 × 26,100.14
  4. Step 4: Simplify right side
    82,255.63x = 3,220,439,388.56
  5. Step 5: Solve for x
    x = 3,220,439,388.56/82,255.63
  6. Step 6: Final answer
    x = 39,151.60

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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.