Home / 86,623.64-129,940.08-27,463.94

Finding the Fourth Proportional to 86,623.64, 129,940.08 and 27,463.94

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Solution

The fourth proportional to 86,623.64, 129,940.08 and 27,463.94 is: 41,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.64 : 129,940.08 = 27,463.94 : x
  2. Step 2: Convert to fraction form
    86,623.64/129,940.08 = 27,463.94/x
  3. Step 3: Cross multiply
    86,623.64x = 129,940.08 × 27,463.94
  4. Step 4: Simplify right side
    86,623.64x = 3,568,666,560.72
  5. Step 5: Solve for x
    x = 3,568,666,560.72/86,623.64
  6. Step 6: Final answer
    x = 41,197.37

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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.