Home / 68,584.08-102,875.38-52,045.68

Finding the Fourth Proportional to 68,584.08, 102,875.38 and 52,045.68

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Solution

The fourth proportional to 68,584.08, 102,875.38 and 52,045.68 is: 78,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,584.08 : 102,875.38 = 52,045.68 : x
  2. Step 2: Convert to fraction form
    68,584.08/102,875.38 = 52,045.68/x
  3. Step 3: Cross multiply
    68,584.08x = 102,875.38 × 52,045.68
  4. Step 4: Simplify right side
    68,584.08x = 5,354,219,107.36
  5. Step 5: Solve for x
    x = 5,354,219,107.36/68,584.08
  6. Step 6: Final answer
    x = 78,067.96

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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.