Home / 107,725.13-161,610.86-53,719.25

Finding the Fourth Proportional to 107,725.13, 161,610.86 and 53,719.25

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Solution

The fourth proportional to 107,725.13, 161,610.86 and 53,719.25 is: 80,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.13 : 161,610.86 = 53,719.25 : x
  2. Step 2: Convert to fraction form
    107,725.13/161,610.86 = 53,719.25/x
  3. Step 3: Cross multiply
    107,725.13x = 161,610.86 × 53,719.25
  4. Step 4: Simplify right side
    107,725.13x = 8,681,613,114.40
  5. Step 5: Solve for x
    x = 8,681,613,114.40/107,725.13
  6. Step 6: Final answer
    x = 80,590.41

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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.