Home / 86,678.44-130,016.70-27,512.52

Finding the Fourth Proportional to 86,678.44, 130,016.70 and 27,512.52

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Solution

The fourth proportional to 86,678.44, 130,016.70 and 27,512.52 is: 41,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,678.44 : 130,016.70 = 27,512.52 : x
  2. Step 2: Convert to fraction form
    86,678.44/130,016.70 = 27,512.52/x
  3. Step 3: Cross multiply
    86,678.44x = 130,016.70 × 27,512.52
  4. Step 4: Simplify right side
    86,678.44x = 3,577,087,059.08
  5. Step 5: Solve for x
    x = 3,577,087,059.08/86,678.44
  6. Step 6: Final answer
    x = 41,268.48

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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.