Home / 68,525.70-102,804.91-21,778.66

Finding the Fourth Proportional to 68,525.70, 102,804.91 and 21,778.66

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Solution

The fourth proportional to 68,525.70, 102,804.91 and 21,778.66 is: 32,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,525.70 : 102,804.91 = 21,778.66 : x
  2. Step 2: Convert to fraction form
    68,525.70/102,804.91 = 21,778.66/x
  3. Step 3: Cross multiply
    68,525.70x = 102,804.91 × 21,778.66
  4. Step 4: Simplify right side
    68,525.70x = 2,238,953,181.22
  5. Step 5: Solve for x
    x = 2,238,953,181.22/68,525.70
  6. Step 6: Final answer
    x = 32,673.19

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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.