Home / 86,833.25-130,248.45-27,668.12

Finding the Fourth Proportional to 86,833.25, 130,248.45 and 27,668.12

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Solution

The fourth proportional to 86,833.25, 130,248.45 and 27,668.12 is: 41,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,833.25 : 130,248.45 = 27,668.12 : x
  2. Step 2: Convert to fraction form
    86,833.25/130,248.45 = 27,668.12/x
  3. Step 3: Cross multiply
    86,833.25x = 130,248.45 × 27,668.12
  4. Step 4: Simplify right side
    86,833.25x = 3,603,729,093.17
  5. Step 5: Solve for x
    x = 3,603,729,093.17/86,833.25
  6. Step 6: Final answer
    x = 41,501.72

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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.