Home / 107,668.16-161,536.19-50,739.77

Finding the Fourth Proportional to 107,668.16, 161,536.19 and 50,739.77

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Solution

The fourth proportional to 107,668.16, 161,536.19 and 50,739.77 is: 76,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,668.16 : 161,536.19 = 50,739.77 : x
  2. Step 2: Convert to fraction form
    107,668.16/161,536.19 = 50,739.77/x
  3. Step 3: Cross multiply
    107,668.16x = 161,536.19 × 50,739.77
  4. Step 4: Simplify right side
    107,668.16x = 8,196,308,065.90
  5. Step 5: Solve for x
    x = 8,196,308,065.90/107,668.16
  6. Step 6: Final answer
    x = 76,125.64

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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.