Home / 86,883.26-130,326.21-34,292.25

Finding the Fourth Proportional to 86,883.26, 130,326.21 and 34,292.25

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Solution

The fourth proportional to 86,883.26, 130,326.21 and 34,292.25 is: 51,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,883.26 : 130,326.21 = 34,292.25 : x
  2. Step 2: Convert to fraction form
    86,883.26/130,326.21 = 34,292.25/x
  3. Step 3: Cross multiply
    86,883.26x = 130,326.21 × 34,292.25
  4. Step 4: Simplify right side
    86,883.26x = 4,469,178,974.87
  5. Step 5: Solve for x
    x = 4,469,178,974.87/86,883.26
  6. Step 6: Final answer
    x = 51,438.90

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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.