Home / 86,653.29-119,517.58-54,791.44

Finding the Fourth Proportional to 86,653.29, 119,517.58 and 54,791.44

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Solution

The fourth proportional to 86,653.29, 119,517.58 and 54,791.44 is: 75,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.29 : 119,517.58 = 54,791.44 : x
  2. Step 2: Convert to fraction form
    86,653.29/119,517.58 = 54,791.44/x
  3. Step 3: Cross multiply
    86,653.29x = 119,517.58 × 54,791.44
  4. Step 4: Simplify right side
    86,653.29x = 6,548,539,775.01
  5. Step 5: Solve for x
    x = 6,548,539,775.01/86,653.29
  6. Step 6: Final answer
    x = 75,571.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.