Home / 82,268.90-123,415.41-26,090.27

Finding the Fourth Proportional to 82,268.90, 123,415.41 and 26,090.27

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Solution

The fourth proportional to 82,268.90, 123,415.41 and 26,090.27 is: 39,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,268.90 : 123,415.41 = 26,090.27 : x
  2. Step 2: Convert to fraction form
    82,268.90/123,415.41 = 26,090.27/x
  3. Step 3: Cross multiply
    82,268.90x = 123,415.41 × 26,090.27
  4. Step 4: Simplify right side
    82,268.90x = 3,219,941,369.06
  5. Step 5: Solve for x
    x = 3,219,941,369.06/82,268.90
  6. Step 6: Final answer
    x = 39,139.23

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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.