Home / 83,716.58-125,561.07-27,557.42

Finding the Fourth Proportional to 83,716.58, 125,561.07 and 27,557.42

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Solution

The fourth proportional to 83,716.58, 125,561.07 and 27,557.42 is: 41,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716.58 : 125,561.07 = 27,557.42 : x
  2. Step 2: Convert to fraction form
    83,716.58/125,561.07 = 27,557.42/x
  3. Step 3: Cross multiply
    83,716.58x = 125,561.07 × 27,557.42
  4. Step 4: Simplify right side
    83,716.58x = 3,460,139,141.64
  5. Step 5: Solve for x
    x = 3,460,139,141.64/83,716.58
  6. Step 6: Final answer
    x = 41,331.59

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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.