Home / 107,842.68-161,785.89-37,771.20

Finding the Fourth Proportional to 107,842.68, 161,785.89 and 37,771.20

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Solution

The fourth proportional to 107,842.68, 161,785.89 and 37,771.20 is: 56,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,842.68 : 161,785.89 = 37,771.20 : x
  2. Step 2: Convert to fraction form
    107,842.68/161,785.89 = 37,771.20/x
  3. Step 3: Cross multiply
    107,842.68x = 161,785.89 × 37,771.20
  4. Step 4: Simplify right side
    107,842.68x = 6,110,847,208.37
  5. Step 5: Solve for x
    x = 6,110,847,208.37/107,842.68
  6. Step 6: Final answer
    x = 56,664.46

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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.