Home / 75,782.76-104,575.32-41,791.36

Finding the Fourth Proportional to 75,782.76, 104,575.32 and 41,791.36

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Solution

The fourth proportional to 75,782.76, 104,575.32 and 41,791.36 is: 57,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,782.76 : 104,575.32 = 41,791.36 : x
  2. Step 2: Convert to fraction form
    75,782.76/104,575.32 = 41,791.36/x
  3. Step 3: Cross multiply
    75,782.76x = 104,575.32 × 41,791.36
  4. Step 4: Simplify right side
    75,782.76x = 4,370,344,845.24
  5. Step 5: Solve for x
    x = 4,370,344,845.24/75,782.76
  6. Step 6: Final answer
    x = 57,669.38

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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.