Home / 48,876.75-73,315.13-11,940.75

Finding the Fourth Proportional to 48,876.75, 73,315.13 and 11,940.75

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Solution

The fourth proportional to 48,876.75, 73,315.13 and 11,940.75 is: 17,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,876.75 : 73,315.13 = 11,940.75 : x
  2. Step 2: Convert to fraction form
    48,876.75/73,315.13 = 11,940.75/x
  3. Step 3: Cross multiply
    48,876.75x = 73,315.13 × 11,940.75
  4. Step 4: Simplify right side
    48,876.75x = 875,437,578.84
  5. Step 5: Solve for x
    x = 875,437,578.84/48,876.75
  6. Step 6: Final answer
    x = 17,911.13

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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.