Home / 45,224.92-67,835.96-11,945.16

Finding the Fourth Proportional to 45,224.92, 67,835.96 and 11,945.16

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Solution

The fourth proportional to 45,224.92, 67,835.96 and 11,945.16 is: 17,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,224.92 : 67,835.96 = 11,945.16 : x
  2. Step 2: Convert to fraction form
    45,224.92/67,835.96 = 11,945.16/x
  3. Step 3: Cross multiply
    45,224.92x = 67,835.96 × 11,945.16
  4. Step 4: Simplify right side
    45,224.92x = 810,311,395.95
  5. Step 5: Solve for x
    x = 810,311,395.95/45,224.92
  6. Step 6: Final answer
    x = 17,917.36

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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.