Home / 45,464.70-68,197.05-31,467.90

Finding the Fourth Proportional to 45,464.70, 68,197.05 and 31,467.90

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Solution

The fourth proportional to 45,464.70, 68,197.05 and 31,467.90 is: 47,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,464.70 : 68,197.05 = 31,467.90 : x
  2. Step 2: Convert to fraction form
    45,464.70/68,197.05 = 31,467.90/x
  3. Step 3: Cross multiply
    45,464.70x = 68,197.05 × 31,467.90
  4. Step 4: Simplify right side
    45,464.70x = 2,146,017,949.70
  5. Step 5: Solve for x
    x = 2,146,017,949.70/45,464.70
  6. Step 6: Final answer
    x = 47,201.85

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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.