Home / 73,171.02-109,100.77-71,842.44

Finding the Fourth Proportional to 73,171.02, 109,100.77 and 71,842.44

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Solution

The fourth proportional to 73,171.02, 109,100.77 and 71,842.44 is: 107,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,171.02 : 109,100.77 = 71,842.44 : x
  2. Step 2: Convert to fraction form
    73,171.02/109,100.77 = 71,842.44/x
  3. Step 3: Cross multiply
    73,171.02x = 109,100.77 × 71,842.44
  4. Step 4: Simplify right side
    73,171.02x = 7,838,065,522.68
  5. Step 5: Solve for x
    x = 7,838,065,522.68/73,171.02
  6. Step 6: Final answer
    x = 107,119.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.