Home / 71,902.08-107,772.12-34,410.42

Finding the Fourth Proportional to 71,902.08, 107,772.12 and 34,410.42

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Solution

The fourth proportional to 71,902.08, 107,772.12 and 34,410.42 is: 51,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,902.08 : 107,772.12 = 34,410.42 : x
  2. Step 2: Convert to fraction form
    71,902.08/107,772.12 = 34,410.42/x
  3. Step 3: Cross multiply
    71,902.08x = 107,772.12 × 34,410.42
  4. Step 4: Simplify right side
    71,902.08x = 3,708,483,913.49
  5. Step 5: Solve for x
    x = 3,708,483,913.49/71,902.08
  6. Step 6: Final answer
    x = 51,576.87

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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.