Home / 75,641.20-104,383.96-41,648.96

Finding the Fourth Proportional to 75,641.20, 104,383.96 and 41,648.96

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Solution

The fourth proportional to 75,641.20, 104,383.96 and 41,648.96 is: 57,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,641.20 : 104,383.96 = 41,648.96 : x
  2. Step 2: Convert to fraction form
    75,641.20/104,383.96 = 41,648.96/x
  3. Step 3: Cross multiply
    75,641.20x = 104,383.96 × 41,648.96
  4. Step 4: Simplify right side
    75,641.20x = 4,347,483,374.68
  5. Step 5: Solve for x
    x = 4,347,483,374.68/75,641.20
  6. Step 6: Final answer
    x = 57,475.07

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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.