Home / 86,261.76-129,349.44-27,096.66

Finding the Fourth Proportional to 86,261.76, 129,349.44 and 27,096.66

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Solution

The fourth proportional to 86,261.76, 129,349.44 and 27,096.66 is: 40,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261.76 : 129,349.44 = 27,096.66 : x
  2. Step 2: Convert to fraction form
    86,261.76/129,349.44 = 27,096.66/x
  3. Step 3: Cross multiply
    86,261.76x = 129,349.44 × 27,096.66
  4. Step 4: Simplify right side
    86,261.76x = 3,504,937,796.87
  5. Step 5: Solve for x
    x = 3,504,937,796.87/86,261.76
  6. Step 6: Final answer
    x = 40,631.42

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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.