Home / 59,385.05-81,920.31-36,716.79

Finding the Fourth Proportional to 59,385.05, 81,920.31 and 36,716.79

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Solution

The fourth proportional to 59,385.05, 81,920.31 and 36,716.79 is: 50,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,385.05 : 81,920.31 = 36,716.79 : x
  2. Step 2: Convert to fraction form
    59,385.05/81,920.31 = 36,716.79/x
  3. Step 3: Cross multiply
    59,385.05x = 81,920.31 × 36,716.79
  4. Step 4: Simplify right side
    59,385.05x = 3,007,851,195.05
  5. Step 5: Solve for x
    x = 3,007,851,195.05/59,385.05
  6. Step 6: Final answer
    x = 50,649.97

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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.