Home / 66,774.24-100,165.68-22,399.20

Finding the Fourth Proportional to 66,774.24, 100,165.68 and 22,399.20

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Solution

The fourth proportional to 66,774.24, 100,165.68 and 22,399.20 is: 33,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,774.24 : 100,165.68 = 22,399.20 : x
  2. Step 2: Convert to fraction form
    66,774.24/100,165.68 = 22,399.20/x
  3. Step 3: Cross multiply
    66,774.24x = 100,165.68 × 22,399.20
  4. Step 4: Simplify right side
    66,774.24x = 2,243,631,099.46
  5. Step 5: Solve for x
    x = 2,243,631,099.46/66,774.24
  6. Step 6: Final answer
    x = 33,600.25

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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.