Home / 68,339.20-102,519.36-28,896.48

Finding the Fourth Proportional to 68,339.20, 102,519.36 and 28,896.48

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Solution

The fourth proportional to 68,339.20, 102,519.36 and 28,896.48 is: 43,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,339.20 : 102,519.36 = 28,896.48 : x
  2. Step 2: Convert to fraction form
    68,339.20/102,519.36 = 28,896.48/x
  3. Step 3: Cross multiply
    68,339.20x = 102,519.36 × 28,896.48
  4. Step 4: Simplify right side
    68,339.20x = 2,962,448,635.85
  5. Step 5: Solve for x
    x = 2,962,448,635.85/68,339.20
  6. Step 6: Final answer
    x = 43,349.19

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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.