Home / 48,778.87-73,168.28-13,718.52

Finding the Fourth Proportional to 48,778.87, 73,168.28 and 13,718.52

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Solution

The fourth proportional to 48,778.87, 73,168.28 and 13,718.52 is: 20,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,778.87 : 73,168.28 = 13,718.52 : x
  2. Step 2: Convert to fraction form
    48,778.87/73,168.28 = 13,718.52/x
  3. Step 3: Cross multiply
    48,778.87x = 73,168.28 × 13,718.52
  4. Step 4: Simplify right side
    48,778.87x = 1,003,760,443.95
  5. Step 5: Solve for x
    x = 1,003,760,443.95/48,778.87
  6. Step 6: Final answer
    x = 20,577.77

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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.