Home / 48,990.74-73,498.44-13,930.38

Finding the Fourth Proportional to 48,990.74, 73,498.44 and 13,930.38

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Solution

The fourth proportional to 48,990.74, 73,498.44 and 13,930.38 is: 20,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,990.74 : 73,498.44 = 13,930.38 : x
  2. Step 2: Convert to fraction form
    48,990.74/73,498.44 = 13,930.38/x
  3. Step 3: Cross multiply
    48,990.74x = 73,498.44 × 13,930.38
  4. Step 4: Simplify right side
    48,990.74x = 1,023,861,198.61
  5. Step 5: Solve for x
    x = 1,023,861,198.61/48,990.74
  6. Step 6: Final answer
    x = 20,899.08

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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.