Home / 75,379.10-104,024.52-41,390.79

Finding the Fourth Proportional to 75,379.10, 104,024.52 and 41,390.79

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Solution

The fourth proportional to 75,379.10, 104,024.52 and 41,390.79 is: 57,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.10 : 104,024.52 = 41,390.79 : x
  2. Step 2: Convert to fraction form
    75,379.10/104,024.52 = 41,390.79/x
  3. Step 3: Cross multiply
    75,379.10x = 104,024.52 × 41,390.79
  4. Step 4: Simplify right side
    75,379.10x = 4,305,657,062.17
  5. Step 5: Solve for x
    x = 4,305,657,062.17/75,379.10
  6. Step 6: Final answer
    x = 57,120.04

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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.