Home / 86,087.45-129,046.40-36,181.73

Finding the Fourth Proportional to 86,087.45, 129,046.40 and 36,181.73

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Solution

The fourth proportional to 86,087.45, 129,046.40 and 36,181.73 is: 54,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,087.45 : 129,046.40 = 36,181.73 : x
  2. Step 2: Convert to fraction form
    86,087.45/129,046.40 = 36,181.73/x
  3. Step 3: Cross multiply
    86,087.45x = 129,046.40 × 36,181.73
  4. Step 4: Simplify right side
    86,087.45x = 4,669,122,279.66
  5. Step 5: Solve for x
    x = 4,669,122,279.66/86,087.45
  6. Step 6: Final answer
    x = 54,236.97

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1.5x scale

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.