Home / 107,618.11-161,427.31-51,445.01

Finding the Fourth Proportional to 107,618.11, 161,427.31 and 51,445.01

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Solution

The fourth proportional to 107,618.11, 161,427.31 and 51,445.01 is: 77,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,618.11 : 161,427.31 = 51,445.01 : x
  2. Step 2: Convert to fraction form
    107,618.11/161,427.31 = 51,445.01/x
  3. Step 3: Cross multiply
    107,618.11x = 161,427.31 × 51,445.01
  4. Step 4: Simplify right side
    107,618.11x = 8,304,629,577.22
  5. Step 5: Solve for x
    x = 8,304,629,577.22/107,618.11
  6. Step 6: Final answer
    x = 77,167.58

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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.