Home / 107,427.30-161,186.49-57,494.43

Finding the Fourth Proportional to 107,427.30, 161,186.49 and 57,494.43

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Solution

The fourth proportional to 107,427.30, 161,186.49 and 57,494.43 is: 86,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,427.30 : 161,186.49 = 57,494.43 : x
  2. Step 2: Convert to fraction form
    107,427.30/161,186.49 = 57,494.43/x
  3. Step 3: Cross multiply
    107,427.30x = 161,186.49 × 57,494.43
  4. Step 4: Simplify right side
    107,427.30x = 9,267,325,366.25
  5. Step 5: Solve for x
    x = 9,267,325,366.25/107,427.30
  6. Step 6: Final answer
    x = 86,266.02

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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.