Home / 87,772.05-131,671.73-28,593.95

Finding the Fourth Proportional to 87,772.05, 131,671.73 and 28,593.95

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Solution

The fourth proportional to 87,772.05, 131,671.73 and 28,593.95 is: 42,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,772.05 : 131,671.73 = 28,593.95 : x
  2. Step 2: Convert to fraction form
    87,772.05/131,671.73 = 28,593.95/x
  3. Step 3: Cross multiply
    87,772.05x = 131,671.73 × 28,593.95
  4. Step 4: Simplify right side
    87,772.05x = 3,765,014,277.16
  5. Step 5: Solve for x
    x = 3,765,014,277.16/87,772.05
  6. Step 6: Final answer
    x = 42,895.37

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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.