Home / 71,516.41-107,309.46-29,409.15

Finding the Fourth Proportional to 71,516.41, 107,309.46 and 29,409.15

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Solution

The fourth proportional to 71,516.41, 107,309.46 and 29,409.15 is: 44,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,516.41 : 107,309.46 = 29,409.15 : x
  2. Step 2: Convert to fraction form
    71,516.41/107,309.46 = 29,409.15/x
  3. Step 3: Cross multiply
    71,516.41x = 107,309.46 × 29,409.15
  4. Step 4: Simplify right side
    71,516.41x = 3,155,879,469.01
  5. Step 5: Solve for x
    x = 3,155,879,469.01/71,516.41
  6. Step 6: Final answer
    x = 44,128.05

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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.