Home / 75,814.80-104,629.59-43,983.69

Finding the Fourth Proportional to 75,814.80, 104,629.59 and 43,983.69

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Solution

The fourth proportional to 75,814.80, 104,629.59 and 43,983.69 is: 60,700.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,814.80 : 104,629.59 = 43,983.69 : x
  2. Step 2: Convert to fraction form
    75,814.80/104,629.59 = 43,983.69/x
  3. Step 3: Cross multiply
    75,814.80x = 104,629.59 × 43,983.69
  4. Step 4: Simplify right side
    75,814.80x = 4,601,995,451.39
  5. Step 5: Solve for x
    x = 4,601,995,451.39/75,814.80
  6. Step 6: Final answer
    x = 60,700.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.