Home / 68,256.24-93,511.61-65,699.52

Finding the Fourth Proportional to 68,256.24, 93,511.61 and 65,699.52

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Solution

The fourth proportional to 68,256.24, 93,511.61 and 65,699.52 is: 90,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256.24 : 93,511.61 = 65,699.52 : x
  2. Step 2: Convert to fraction form
    68,256.24/93,511.61 = 65,699.52/x
  3. Step 3: Cross multiply
    68,256.24x = 93,511.61 × 65,699.52
  4. Step 4: Simplify right side
    68,256.24x = 6,143,667,891.43
  5. Step 5: Solve for x
    x = 6,143,667,891.43/68,256.24
  6. Step 6: Final answer
    x = 90,008.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.