Home / 86,159.77-129,260.31-41,734.60

Finding the Fourth Proportional to 86,159.77, 129,260.31 and 41,734.60

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Solution

The fourth proportional to 86,159.77, 129,260.31 and 41,734.60 is: 62,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,159.77 : 129,260.31 = 41,734.60 : x
  2. Step 2: Convert to fraction form
    86,159.77/129,260.31 = 41,734.60/x
  3. Step 3: Cross multiply
    86,159.77x = 129,260.31 × 41,734.60
  4. Step 4: Simplify right side
    86,159.77x = 5,394,627,333.73
  5. Step 5: Solve for x
    x = 5,394,627,333.73/86,159.77
  6. Step 6: Final answer
    x = 62,611.90

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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.