Home / 107,679.64-161,543.77-35,632.37

Finding the Fourth Proportional to 107,679.64, 161,543.77 and 35,632.37

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Solution

The fourth proportional to 107,679.64, 161,543.77 and 35,632.37 is: 53,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,679.64 : 161,543.77 = 35,632.37 : x
  2. Step 2: Convert to fraction form
    107,679.64/161,543.77 = 35,632.37/x
  3. Step 3: Cross multiply
    107,679.64x = 161,543.77 × 35,632.37
  4. Step 4: Simplify right side
    107,679.64x = 5,756,187,327.78
  5. Step 5: Solve for x
    x = 5,756,187,327.78/107,679.64
  6. Step 6: Final answer
    x = 53,456.60

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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.