Home / 50,731.86-76,110.30-15,671.49

Finding the Fourth Proportional to 50,731.86, 76,110.30 and 15,671.49

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Solution

The fourth proportional to 50,731.86, 76,110.30 and 15,671.49 is: 23,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.86 : 76,110.30 = 15,671.49 : x
  2. Step 2: Convert to fraction form
    50,731.86/76,110.30 = 15,671.49/x
  3. Step 3: Cross multiply
    50,731.86x = 76,110.30 × 15,671.49
  4. Step 4: Simplify right side
    50,731.86x = 1,192,761,805.35
  5. Step 5: Solve for x
    x = 1,192,761,805.35/50,731.86
  6. Step 6: Final answer
    x = 23,511.10

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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.