Home / 45,299.92-67,947.48-14,131.60

Finding the Fourth Proportional to 45,299.92, 67,947.48 and 14,131.60

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Solution

The fourth proportional to 45,299.92, 67,947.48 and 14,131.60 is: 21,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,299.92 : 67,947.48 = 14,131.60 : x
  2. Step 2: Convert to fraction form
    45,299.92/67,947.48 = 14,131.60/x
  3. Step 3: Cross multiply
    45,299.92x = 67,947.48 × 14,131.60
  4. Step 4: Simplify right side
    45,299.92x = 960,206,608.37
  5. Step 5: Solve for x
    x = 960,206,608.37/45,299.92
  6. Step 6: Final answer
    x = 21,196.65

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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.