Home / 107,820.77-161,750.37-36,739.47

Finding the Fourth Proportional to 107,820.77, 161,750.37 and 36,739.47

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Solution

The fourth proportional to 107,820.77, 161,750.37 and 36,739.47 is: 55,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,820.77 : 161,750.37 = 36,739.47 : x
  2. Step 2: Convert to fraction form
    107,820.77/161,750.37 = 36,739.47/x
  3. Step 3: Cross multiply
    107,820.77x = 161,750.37 × 36,739.47
  4. Step 4: Simplify right side
    107,820.77x = 5,942,623,403.78
  5. Step 5: Solve for x
    x = 5,942,623,403.78/107,820.77
  6. Step 6: Final answer
    x = 55,115.76

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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.