Home / 82,415.71-123,633.21-26,236.13

Finding the Fourth Proportional to 82,415.71, 123,633.21 and 26,236.13

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Solution

The fourth proportional to 82,415.71, 123,633.21 and 26,236.13 is: 39,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,415.71 : 123,633.21 = 26,236.13 : x
  2. Step 2: Convert to fraction form
    82,415.71/123,633.21 = 26,236.13/x
  3. Step 3: Cross multiply
    82,415.71x = 123,633.21 × 26,236.13
  4. Step 4: Simplify right side
    82,415.71x = 3,243,656,969.88
  5. Step 5: Solve for x
    x = 3,243,656,969.88/82,415.71
  6. Step 6: Final answer
    x = 39,357.27

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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.