Home / 67,057.32-100,607.82-31,992.44

Finding the Fourth Proportional to 67,057.32, 100,607.82 and 31,992.44

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Solution

The fourth proportional to 67,057.32, 100,607.82 and 31,992.44 is: 47,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,057.32 : 100,607.82 = 31,992.44 : x
  2. Step 2: Convert to fraction form
    67,057.32/100,607.82 = 31,992.44/x
  3. Step 3: Cross multiply
    67,057.32x = 100,607.82 × 31,992.44
  4. Step 4: Simplify right side
    67,057.32x = 3,218,689,644.88
  5. Step 5: Solve for x
    x = 3,218,689,644.88/67,057.32
  6. Step 6: Final answer
    x = 47,999.08

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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.