Home / 48,305.50-66,647.95-31,310.44

Finding the Fourth Proportional to 48,305.50, 66,647.95 and 31,310.44

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Solution

The fourth proportional to 48,305.50, 66,647.95 and 31,310.44 is: 43,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.50 : 66,647.95 = 31,310.44 : x
  2. Step 2: Convert to fraction form
    48,305.50/66,647.95 = 31,310.44/x
  3. Step 3: Cross multiply
    48,305.50x = 66,647.95 × 31,310.44
  4. Step 4: Simplify right side
    48,305.50x = 2,086,776,394.70
  5. Step 5: Solve for x
    x = 2,086,776,394.70/48,305.50
  6. Step 6: Final answer
    x = 43,199.56

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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.