Home / 75,642.20-104,385.34-41,649.96

Finding the Fourth Proportional to 75,642.20, 104,385.34 and 41,649.96

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Solution

The fourth proportional to 75,642.20, 104,385.34 and 41,649.96 is: 57,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,642.20 : 104,385.34 = 41,649.96 : x
  2. Step 2: Convert to fraction form
    75,642.20/104,385.34 = 41,649.96/x
  3. Step 3: Cross multiply
    75,642.20x = 104,385.34 × 41,649.96
  4. Step 4: Simplify right side
    75,642.20x = 4,347,645,235.59
  5. Step 5: Solve for x
    x = 4,347,645,235.59/75,642.20
  6. Step 6: Final answer
    x = 57,476.45

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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.