Home / 107,616.22-161,317.22-51,390.60

Finding the Fourth Proportional to 107,616.22, 161,317.22 and 51,390.60

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Solution

The fourth proportional to 107,616.22, 161,317.22 and 51,390.60 is: 77,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,616.22 : 161,317.22 = 51,390.60 : x
  2. Step 2: Convert to fraction form
    107,616.22/161,317.22 = 51,390.60/x
  3. Step 3: Cross multiply
    107,616.22x = 161,317.22 × 51,390.60
  4. Step 4: Simplify right side
    107,616.22x = 8,290,188,726.13
  5. Step 5: Solve for x
    x = 8,290,188,726.13/107,616.22
  6. Step 6: Final answer
    x = 77,034.75

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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.