Home / 68,103.90-102,156.32-23,731.50

Finding the Fourth Proportional to 68,103.90, 102,156.32 and 23,731.50

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Solution

The fourth proportional to 68,103.90, 102,156.32 and 23,731.50 is: 35,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,103.90 : 102,156.32 = 23,731.50 : x
  2. Step 2: Convert to fraction form
    68,103.90/102,156.32 = 23,731.50/x
  3. Step 3: Cross multiply
    68,103.90x = 102,156.32 × 23,731.50
  4. Step 4: Simplify right side
    68,103.90x = 2,424,322,589.42
  5. Step 5: Solve for x
    x = 2,424,322,589.42/68,103.90
  6. Step 6: Final answer
    x = 35,597.41

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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.