Home / 75,451.36-104,111.76-41,917.36

Finding the Fourth Proportional to 75,451.36, 104,111.76 and 41,917.36

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Solution

The fourth proportional to 75,451.36, 104,111.76 and 41,917.36 is: 57,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,451.36 : 104,111.76 = 41,917.36 : x
  2. Step 2: Convert to fraction form
    75,451.36/104,111.76 = 41,917.36/x
  3. Step 3: Cross multiply
    75,451.36x = 104,111.76 × 41,917.36
  4. Step 4: Simplify right side
    75,451.36x = 4,364,090,124.15
  5. Step 5: Solve for x
    x = 4,364,090,124.15/75,451.36
  6. Step 6: Final answer
    x = 57,839.78

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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.