Home / 82,213.01-113,507.57-50,399.45

Finding the Fourth Proportional to 82,213.01, 113,507.57 and 50,399.45

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Solution

The fourth proportional to 82,213.01, 113,507.57 and 50,399.45 is: 69,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,213.01 : 113,507.57 = 50,399.45 : x
  2. Step 2: Convert to fraction form
    82,213.01/113,507.57 = 50,399.45/x
  3. Step 3: Cross multiply
    82,213.01x = 113,507.57 × 50,399.45
  4. Step 4: Simplify right side
    82,213.01x = 5,720,718,846.84
  5. Step 5: Solve for x
    x = 5,720,718,846.84/82,213.01
  6. Step 6: Final answer
    x = 69,584.11

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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.