Home / 86,566.28-129,836.39-27,394.25

Finding the Fourth Proportional to 86,566.28, 129,836.39 and 27,394.25

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Solution

The fourth proportional to 86,566.28, 129,836.39 and 27,394.25 is: 41,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,566.28 : 129,836.39 = 27,394.25 : x
  2. Step 2: Convert to fraction form
    86,566.28/129,836.39 = 27,394.25/x
  3. Step 3: Cross multiply
    86,566.28x = 129,836.39 × 27,394.25
  4. Step 4: Simplify right side
    86,566.28x = 3,556,769,740.60
  5. Step 5: Solve for x
    x = 3,556,769,740.60/86,566.28
  6. Step 6: Final answer
    x = 41,087.24

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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.