Home / 107,820.86-161,750.12-36,739.71

Finding the Fourth Proportional to 107,820.86, 161,750.12 and 36,739.71

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Solution

The fourth proportional to 107,820.86, 161,750.12 and 36,739.71 is: 55,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,820.86 : 161,750.12 = 36,739.71 : x
  2. Step 2: Convert to fraction form
    107,820.86/161,750.12 = 36,739.71/x
  3. Step 3: Cross multiply
    107,820.86x = 161,750.12 × 36,739.71
  4. Step 4: Simplify right side
    107,820.86x = 5,942,652,317.57
  5. Step 5: Solve for x
    x = 5,942,652,317.57/107,820.86
  6. Step 6: Final answer
    x = 55,115.98

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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.