Home / 75,375.29-104,018.36-41,385.26

Finding the Fourth Proportional to 75,375.29, 104,018.36 and 41,385.26

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Solution

The fourth proportional to 75,375.29, 104,018.36 and 41,385.26 is: 57,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,375.29 : 104,018.36 = 41,385.26 : x
  2. Step 2: Convert to fraction form
    75,375.29/104,018.36 = 41,385.26/x
  3. Step 3: Cross multiply
    75,375.29x = 104,018.36 × 41,385.26
  4. Step 4: Simplify right side
    75,375.29x = 4,304,826,873.37
  5. Step 5: Solve for x
    x = 4,304,826,873.37/75,375.29
  6. Step 6: Final answer
    x = 57,111.91

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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.