Home / 48,724.77-73,074.25-19,142.87

Finding the Fourth Proportional to 48,724.77, 73,074.25 and 19,142.87

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Solution

The fourth proportional to 48,724.77, 73,074.25 and 19,142.87 is: 28,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,724.77 : 73,074.25 = 19,142.87 : x
  2. Step 2: Convert to fraction form
    48,724.77/73,074.25 = 19,142.87/x
  3. Step 3: Cross multiply
    48,724.77x = 73,074.25 × 19,142.87
  4. Step 4: Simplify right side
    48,724.77x = 1,398,850,526.65
  5. Step 5: Solve for x
    x = 1,398,850,526.65/48,724.77
  6. Step 6: Final answer
    x = 28,709.23

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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.