Home / 45,939.46-68,821.52-31,122.94

Finding the Fourth Proportional to 45,939.46, 68,821.52 and 31,122.94

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Solution

The fourth proportional to 45,939.46, 68,821.52 and 31,122.94 is: 46,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,939.46 : 68,821.52 = 31,122.94 : x
  2. Step 2: Convert to fraction form
    45,939.46/68,821.52 = 31,122.94/x
  3. Step 3: Cross multiply
    45,939.46x = 68,821.52 × 31,122.94
  4. Step 4: Simplify right side
    45,939.46x = 2,141,928,037.67
  5. Step 5: Solve for x
    x = 2,141,928,037.67/45,939.46
  6. Step 6: Final answer
    x = 46,625.02

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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.