Home / 61,372.32-91,983-31,773.24

Finding the Fourth Proportional to 61,372.32, 91,983 and 31,773.24

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Solution

The fourth proportional to 61,372.32, 91,983 and 31,773.24 is: 47,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,372.32 : 91,983 = 31,773.24 : x
  2. Step 2: Convert to fraction form
    61,372.32/91,983 = 31,773.24/x
  3. Step 3: Cross multiply
    61,372.32x = 91,983 × 31,773.24
  4. Step 4: Simplify right side
    61,372.32x = 2,922,597,934.92
  5. Step 5: Solve for x
    x = 2,922,597,934.92/61,372.32
  6. Step 6: Final answer
    x = 47,620.78

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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.