Home / 86,198.22-129,297.36-27,038.64

Finding the Fourth Proportional to 86,198.22, 129,297.36 and 27,038.64

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Solution

The fourth proportional to 86,198.22, 129,297.36 and 27,038.64 is: 40,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,198.22 : 129,297.36 = 27,038.64 : x
  2. Step 2: Convert to fraction form
    86,198.22/129,297.36 = 27,038.64/x
  3. Step 3: Cross multiply
    86,198.22x = 129,297.36 × 27,038.64
  4. Step 4: Simplify right side
    86,198.22x = 3,496,024,769.99
  5. Step 5: Solve for x
    x = 3,496,024,769.99/86,198.22
  6. Step 6: Final answer
    x = 40,557.97

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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.