Home / 86,758.38-130,135.14-27,597.60

Finding the Fourth Proportional to 86,758.38, 130,135.14 and 27,597.60

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Solution

The fourth proportional to 86,758.38, 130,135.14 and 27,597.60 is: 41,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,758.38 : 130,135.14 = 27,597.60 : x
  2. Step 2: Convert to fraction form
    86,758.38/130,135.14 = 27,597.60/x
  3. Step 3: Cross multiply
    86,758.38x = 130,135.14 × 27,597.60
  4. Step 4: Simplify right side
    86,758.38x = 3,591,417,539.66
  5. Step 5: Solve for x
    x = 3,591,417,539.66/86,758.38
  6. Step 6: Final answer
    x = 41,395.63

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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.