Home / 68,234.40-102,327.30-30,812.40

Finding the Fourth Proportional to 68,234.40, 102,327.30 and 30,812.40

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Solution

The fourth proportional to 68,234.40, 102,327.30 and 30,812.40 is: 46,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,234.40 : 102,327.30 = 30,812.40 : x
  2. Step 2: Convert to fraction form
    68,234.40/102,327.30 = 30,812.40/x
  3. Step 3: Cross multiply
    68,234.40x = 102,327.30 × 30,812.40
  4. Step 4: Simplify right side
    68,234.40x = 3,152,949,698.52
  5. Step 5: Solve for x
    x = 3,152,949,698.52/68,234.40
  6. Step 6: Final answer
    x = 46,207.63

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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.