Home / 82,568.96-123,853.44-23,405.12

Finding the Fourth Proportional to 82,568.96, 123,853.44 and 23,405.12

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Solution

The fourth proportional to 82,568.96, 123,853.44 and 23,405.12 is: 35,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,568.96 : 123,853.44 = 23,405.12 : x
  2. Step 2: Convert to fraction form
    82,568.96/123,853.44 = 23,405.12/x
  3. Step 3: Cross multiply
    82,568.96x = 123,853.44 × 23,405.12
  4. Step 4: Simplify right side
    82,568.96x = 2,898,804,625.61
  5. Step 5: Solve for x
    x = 2,898,804,625.61/82,568.96
  6. Step 6: Final answer
    x = 35,107.68

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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.