Home / 87,953.95-131,944.94-31,788.37

Finding the Fourth Proportional to 87,953.95, 131,944.94 and 31,788.37

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Solution

The fourth proportional to 87,953.95, 131,944.94 and 31,788.37 is: 47,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,953.95 : 131,944.94 = 31,788.37 : x
  2. Step 2: Convert to fraction form
    87,953.95/131,944.94 = 31,788.37/x
  3. Step 3: Cross multiply
    87,953.95x = 131,944.94 × 31,788.37
  4. Step 4: Simplify right side
    87,953.95x = 4,194,314,572.35
  5. Step 5: Solve for x
    x = 4,194,314,572.35/87,953.95
  6. Step 6: Final answer
    x = 47,687.62

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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.