Home / 68,239.28-102,336.06-26,109.56

Finding the Fourth Proportional to 68,239.28, 102,336.06 and 26,109.56

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Solution

The fourth proportional to 68,239.28, 102,336.06 and 26,109.56 is: 39,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,239.28 : 102,336.06 = 26,109.56 : x
  2. Step 2: Convert to fraction form
    68,239.28/102,336.06 = 26,109.56/x
  3. Step 3: Cross multiply
    68,239.28x = 102,336.06 × 26,109.56
  4. Step 4: Simplify right side
    68,239.28x = 2,671,949,498.73
  5. Step 5: Solve for x
    x = 2,671,949,498.73/68,239.28
  6. Step 6: Final answer
    x = 39,155.59

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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.