Home / 57,067.52-78,735.36-34,703.36

Finding the Fourth Proportional to 57,067.52, 78,735.36 and 34,703.36

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Solution

The fourth proportional to 57,067.52, 78,735.36 and 34,703.36 is: 47,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,067.52 : 78,735.36 = 34,703.36 : x
  2. Step 2: Convert to fraction form
    57,067.52/78,735.36 = 34,703.36/x
  3. Step 3: Cross multiply
    57,067.52x = 78,735.36 × 34,703.36
  4. Step 4: Simplify right side
    57,067.52x = 2,732,381,542.81
  5. Step 5: Solve for x
    x = 2,732,381,542.81/57,067.52
  6. Step 6: Final answer
    x = 47,879.80

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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.