Home / 68,225.24-102,348.82-28,788.16

Finding the Fourth Proportional to 68,225.24, 102,348.82 and 28,788.16

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Solution

The fourth proportional to 68,225.24, 102,348.82 and 28,788.16 is: 43,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,225.24 : 102,348.82 = 28,788.16 : x
  2. Step 2: Convert to fraction form
    68,225.24/102,348.82 = 28,788.16/x
  3. Step 3: Cross multiply
    68,225.24x = 102,348.82 × 28,788.16
  4. Step 4: Simplify right side
    68,225.24x = 2,946,434,016.05
  5. Step 5: Solve for x
    x = 2,946,434,016.05/68,225.24
  6. Step 6: Final answer
    x = 43,186.86

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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.