Home / 71,976.10-107,917.94-29,885.24

Finding the Fourth Proportional to 71,976.10, 107,917.94 and 29,885.24

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Solution

The fourth proportional to 71,976.10, 107,917.94 and 29,885.24 is: 44,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,976.10 : 107,917.94 = 29,885.24 : x
  2. Step 2: Convert to fraction form
    71,976.10/107,917.94 = 29,885.24/x
  3. Step 3: Cross multiply
    71,976.10x = 107,917.94 × 29,885.24
  4. Step 4: Simplify right side
    71,976.10x = 3,225,153,072.33
  5. Step 5: Solve for x
    x = 3,225,153,072.33/71,976.10
  6. Step 6: Final answer
    x = 44,808.67

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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.