Home / 48,849.75-73,274.99-11,913.75

Finding the Fourth Proportional to 48,849.75, 73,274.99 and 11,913.75

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Solution

The fourth proportional to 48,849.75, 73,274.99 and 11,913.75 is: 17,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,849.75 : 73,274.99 = 11,913.75 : x
  2. Step 2: Convert to fraction form
    48,849.75/73,274.99 = 11,913.75/x
  3. Step 3: Cross multiply
    48,849.75x = 73,274.99 × 11,913.75
  4. Step 4: Simplify right side
    48,849.75x = 872,979,912.11
  5. Step 5: Solve for x
    x = 872,979,912.11/48,849.75
  6. Step 6: Final answer
    x = 17,870.71

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1.5x scale

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.