Home / 86,951.40-130,390.62-27,771.18

Finding the Fourth Proportional to 86,951.40, 130,390.62 and 27,771.18

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Solution

The fourth proportional to 86,951.40, 130,390.62 and 27,771.18 is: 41,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,951.40 : 130,390.62 = 27,771.18 : x
  2. Step 2: Convert to fraction form
    86,951.40/130,390.62 = 27,771.18/x
  3. Step 3: Cross multiply
    86,951.40x = 130,390.62 × 27,771.18
  4. Step 4: Simplify right side
    86,951.40x = 3,621,101,378.33
  5. Step 5: Solve for x
    x = 3,621,101,378.33/86,951.40
  6. Step 6: Final answer
    x = 41,645.12

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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.