Home / 86,629.62-129,948.12-27,463.98

Finding the Fourth Proportional to 86,629.62, 129,948.12 and 27,463.98

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Solution

The fourth proportional to 86,629.62, 129,948.12 and 27,463.98 is: 41,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629.62 : 129,948.12 = 27,463.98 : x
  2. Step 2: Convert to fraction form
    86,629.62/129,948.12 = 27,463.98/x
  3. Step 3: Cross multiply
    86,629.62x = 129,948.12 × 27,463.98
  4. Step 4: Simplify right side
    86,629.62x = 3,568,892,568.72
  5. Step 5: Solve for x
    x = 3,568,892,568.72/86,629.62
  6. Step 6: Final answer
    x = 41,197.14

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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.