Home / 107,719.88-161,579.81-28,832.15

Finding the Fourth Proportional to 107,719.88, 161,579.81 and 28,832.15

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Solution

The fourth proportional to 107,719.88, 161,579.81 and 28,832.15 is: 43,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,719.88 : 161,579.81 = 28,832.15 : x
  2. Step 2: Convert to fraction form
    107,719.88/161,579.81 = 28,832.15/x
  3. Step 3: Cross multiply
    107,719.88x = 161,579.81 × 28,832.15
  4. Step 4: Simplify right side
    107,719.88x = 4,658,693,794.92
  5. Step 5: Solve for x
    x = 4,658,693,794.92/107,719.88
  6. Step 6: Final answer
    x = 43,248.23

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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.