Home / 49,821.64-74,654.60-31,314.76

Finding the Fourth Proportional to 49,821.64, 74,654.60 and 31,314.76

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Solution

The fourth proportional to 49,821.64, 74,654.60 and 31,314.76 is: 46,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.64 : 74,654.60 = 31,314.76 : x
  2. Step 2: Convert to fraction form
    49,821.64/74,654.60 = 31,314.76/x
  3. Step 3: Cross multiply
    49,821.64x = 74,654.60 × 31,314.76
  4. Step 4: Simplify right side
    49,821.64x = 2,337,790,508.62
  5. Step 5: Solve for x
    x = 2,337,790,508.62/49,821.64
  6. Step 6: Final answer
    x = 46,923.20

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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.