Home / 86,242.14-129,363.21-23,912.64

Finding the Fourth Proportional to 86,242.14, 129,363.21 and 23,912.64

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Solution

The fourth proportional to 86,242.14, 129,363.21 and 23,912.64 is: 35,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,242.14 : 129,363.21 = 23,912.64 : x
  2. Step 2: Convert to fraction form
    86,242.14/129,363.21 = 23,912.64/x
  3. Step 3: Cross multiply
    86,242.14x = 129,363.21 × 23,912.64
  4. Step 4: Simplify right side
    86,242.14x = 3,093,415,869.97
  5. Step 5: Solve for x
    x = 3,093,415,869.97/86,242.14
  6. Step 6: Final answer
    x = 35,868.96

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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.