Home / 68,566.37-102,852.25-21,177.24

Finding the Fourth Proportional to 68,566.37, 102,852.25 and 21,177.24

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Solution

The fourth proportional to 68,566.37, 102,852.25 and 21,177.24 is: 31,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,566.37 : 102,852.25 = 21,177.24 : x
  2. Step 2: Convert to fraction form
    68,566.37/102,852.25 = 21,177.24/x
  3. Step 3: Cross multiply
    68,566.37x = 102,852.25 × 21,177.24
  4. Step 4: Simplify right side
    68,566.37x = 2,178,126,344.15
  5. Step 5: Solve for x
    x = 2,178,126,344.15/68,566.37
  6. Step 6: Final answer
    x = 31,766.69

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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.