Home / 57,136.68-78,845.94-33,260.04

Finding the Fourth Proportional to 57,136.68, 78,845.94 and 33,260.04

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Solution

The fourth proportional to 57,136.68, 78,845.94 and 33,260.04 is: 45,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,136.68 : 78,845.94 = 33,260.04 : x
  2. Step 2: Convert to fraction form
    57,136.68/78,845.94 = 33,260.04/x
  3. Step 3: Cross multiply
    57,136.68x = 78,845.94 × 33,260.04
  4. Step 4: Simplify right side
    57,136.68x = 2,622,419,118.24
  5. Step 5: Solve for x
    x = 2,622,419,118.24/57,136.68
  6. Step 6: Final answer
    x = 45,897.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.