Home / 48,981.20-73,435.80-15,682.16

Finding the Fourth Proportional to 48,981.20, 73,435.80 and 15,682.16

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Solution

The fourth proportional to 48,981.20, 73,435.80 and 15,682.16 is: 23,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,981.20 : 73,435.80 = 15,682.16 : x
  2. Step 2: Convert to fraction form
    48,981.20/73,435.80 = 15,682.16/x
  3. Step 3: Cross multiply
    48,981.20x = 73,435.80 × 15,682.16
  4. Step 4: Simplify right side
    48,981.20x = 1,151,631,965.33
  5. Step 5: Solve for x
    x = 1,151,631,965.33/48,981.20
  6. Step 6: Final answer
    x = 23,511.71

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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.