Home / 86,566.16-129,796.68-33,912.56

Finding the Fourth Proportional to 86,566.16, 129,796.68 and 33,912.56

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Solution

The fourth proportional to 86,566.16, 129,796.68 and 33,912.56 is: 50,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,566.16 : 129,796.68 = 33,912.56 : x
  2. Step 2: Convert to fraction form
    86,566.16/129,796.68 = 33,912.56/x
  3. Step 3: Cross multiply
    86,566.16x = 129,796.68 × 33,912.56
  4. Step 4: Simplify right side
    86,566.16x = 4,401,737,698.30
  5. Step 5: Solve for x
    x = 4,401,737,698.30/86,566.16
  6. Step 6: Final answer
    x = 50,848.25

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Similar ratio
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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.