Home / 86,568.36-129,842.82-24,243.72

Finding the Fourth Proportional to 86,568.36, 129,842.82 and 24,243.72

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Solution

The fourth proportional to 86,568.36, 129,842.82 and 24,243.72 is: 36,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568.36 : 129,842.82 = 24,243.72 : x
  2. Step 2: Convert to fraction form
    86,568.36/129,842.82 = 24,243.72/x
  3. Step 3: Cross multiply
    86,568.36x = 129,842.82 × 24,243.72
  4. Step 4: Simplify right side
    86,568.36x = 3,147,872,972.09
  5. Step 5: Solve for x
    x = 3,147,872,972.09/86,568.36
  6. Step 6: Final answer
    x = 36,362.86

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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.