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Finding the Fourth Proportional to 71,355.94, 107,025.69 and 23,969.11

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Solution

The fourth proportional to 71,355.94, 107,025.69 and 23,969.11 is: 35,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,355.94 : 107,025.69 = 23,969.11 : x
  2. Step 2: Convert to fraction form
    71,355.94/107,025.69 = 23,969.11/x
  3. Step 3: Cross multiply
    71,355.94x = 107,025.69 × 23,969.11
  4. Step 4: Simplify right side
    71,355.94x = 2,565,310,536.44
  5. Step 5: Solve for x
    x = 2,565,310,536.44/71,355.94
  6. Step 6: Final answer
    x = 35,950.90

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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.