Home / 72,539.13-108,791.68-35,080.68

Finding the Fourth Proportional to 72,539.13, 108,791.68 and 35,080.68

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Solution

The fourth proportional to 72,539.13, 108,791.68 and 35,080.68 is: 52,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,539.13 : 108,791.68 = 35,080.68 : x
  2. Step 2: Convert to fraction form
    72,539.13/108,791.68 = 35,080.68/x
  3. Step 3: Cross multiply
    72,539.13x = 108,791.68 × 35,080.68
  4. Step 4: Simplify right side
    72,539.13x = 3,816,485,840.76
  5. Step 5: Solve for x
    x = 3,816,485,840.76/72,539.13
  6. Step 6: Final answer
    x = 52,612.79

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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.