Home / 104,791.05-144,611.66-57,044.75

Finding the Fourth Proportional to 104,791.05, 144,611.66 and 57,044.75

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Solution

The fourth proportional to 104,791.05, 144,611.66 and 57,044.75 is: 78,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,791.05 : 144,611.66 = 57,044.75 : x
  2. Step 2: Convert to fraction form
    104,791.05/144,611.66 = 57,044.75/x
  3. Step 3: Cross multiply
    104,791.05x = 144,611.66 × 57,044.75
  4. Step 4: Simplify right side
    104,791.05x = 8,249,335,991.79
  5. Step 5: Solve for x
    x = 8,249,335,991.79/104,791.05
  6. Step 6: Final answer
    x = 78,721.76

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1.5x scale

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.