Home / 86,198.06-129,299.25-23,869.10

Finding the Fourth Proportional to 86,198.06, 129,299.25 and 23,869.10

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Solution

The fourth proportional to 86,198.06, 129,299.25 and 23,869.10 is: 35,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,198.06 : 129,299.25 = 23,869.10 : x
  2. Step 2: Convert to fraction form
    86,198.06/129,299.25 = 23,869.10/x
  3. Step 3: Cross multiply
    86,198.06x = 129,299.25 × 23,869.10
  4. Step 4: Simplify right side
    86,198.06x = 3,086,256,728.18
  5. Step 5: Solve for x
    x = 3,086,256,728.18/86,198.06
  6. Step 6: Final answer
    x = 35,804.25

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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.