Home / 48,222.60-66,517.74-31,869.78

Finding the Fourth Proportional to 48,222.60, 66,517.74 and 31,869.78

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Solution

The fourth proportional to 48,222.60, 66,517.74 and 31,869.78 is: 43,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,222.60 : 66,517.74 = 31,869.78 : x
  2. Step 2: Convert to fraction form
    48,222.60/66,517.74 = 31,869.78/x
  3. Step 3: Cross multiply
    48,222.60x = 66,517.74 × 31,869.78
  4. Step 4: Simplify right side
    48,222.60x = 2,119,905,739.90
  5. Step 5: Solve for x
    x = 2,119,905,739.90/48,222.60
  6. Step 6: Final answer
    x = 43,960.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.