Home / 85,224.20-127,836.30-26,059.87

Finding the Fourth Proportional to 85,224.20, 127,836.30 and 26,059.87

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Solution

The fourth proportional to 85,224.20, 127,836.30 and 26,059.87 is: 39,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,224.20 : 127,836.30 = 26,059.87 : x
  2. Step 2: Convert to fraction form
    85,224.20/127,836.30 = 26,059.87/x
  3. Step 3: Cross multiply
    85,224.20x = 127,836.30 × 26,059.87
  4. Step 4: Simplify right side
    85,224.20x = 3,331,396,720.10
  5. Step 5: Solve for x
    x = 3,331,396,720.10/85,224.20
  6. Step 6: Final answer
    x = 39,089.80

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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.