Home / 68,454.20-102,684.97-21,710.72

Finding the Fourth Proportional to 68,454.20, 102,684.97 and 21,710.72

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Solution

The fourth proportional to 68,454.20, 102,684.97 and 21,710.72 is: 32,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,454.20 : 102,684.97 = 21,710.72 : x
  2. Step 2: Convert to fraction form
    68,454.20/102,684.97 = 21,710.72/x
  3. Step 3: Cross multiply
    68,454.20x = 102,684.97 × 21,710.72
  4. Step 4: Simplify right side
    68,454.20x = 2,229,364,631.88
  5. Step 5: Solve for x
    x = 2,229,364,631.88/68,454.20
  6. Step 6: Final answer
    x = 32,567.24

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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.