Home / 48,620.31-72,942.77-13,559.97

Finding the Fourth Proportional to 48,620.31, 72,942.77 and 13,559.97

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Solution

The fourth proportional to 48,620.31, 72,942.77 and 13,559.97 is: 20,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.31 : 72,942.77 = 13,559.97 : x
  2. Step 2: Convert to fraction form
    48,620.31/72,942.77 = 13,559.97/x
  3. Step 3: Cross multiply
    48,620.31x = 72,942.77 × 13,559.97
  4. Step 4: Simplify right side
    48,620.31x = 989,101,772.92
  5. Step 5: Solve for x
    x = 989,101,772.92/48,620.31
  6. Step 6: Final answer
    x = 20,343.39

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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.