Home / 86,891.52-130,344.57-27,735.60

Finding the Fourth Proportional to 86,891.52, 130,344.57 and 27,735.60

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Solution

The fourth proportional to 86,891.52, 130,344.57 and 27,735.60 is: 41,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,891.52 : 130,344.57 = 27,735.60 : x
  2. Step 2: Convert to fraction form
    86,891.52/130,344.57 = 27,735.60/x
  3. Step 3: Cross multiply
    86,891.52x = 130,344.57 × 27,735.60
  4. Step 4: Simplify right side
    86,891.52x = 3,615,184,855.69
  5. Step 5: Solve for x
    x = 3,615,184,855.69/86,891.52
  6. Step 6: Final answer
    x = 41,605.73

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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.