Home / 83,268.40-124,918-26,356.64

Finding the Fourth Proportional to 83,268.40, 124,918 and 26,356.64

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Solution

The fourth proportional to 83,268.40, 124,918 and 26,356.64 is: 39,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,268.40 : 124,918 = 26,356.64 : x
  2. Step 2: Convert to fraction form
    83,268.40/124,918 = 26,356.64/x
  3. Step 3: Cross multiply
    83,268.40x = 124,918 × 26,356.64
  4. Step 4: Simplify right side
    83,268.40x = 3,292,418,755.52
  5. Step 5: Solve for x
    x = 3,292,418,755.52/83,268.40
  6. Step 6: Final answer
    x = 39,539.83

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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.