Home / 75,918.73-113,947.20-40,409.87

Finding the Fourth Proportional to 75,918.73, 113,947.20 and 40,409.87

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Solution

The fourth proportional to 75,918.73, 113,947.20 and 40,409.87 is: 60,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,918.73 : 113,947.20 = 40,409.87 : x
  2. Step 2: Convert to fraction form
    75,918.73/113,947.20 = 40,409.87/x
  3. Step 3: Cross multiply
    75,918.73x = 113,947.20 × 40,409.87
  4. Step 4: Simplify right side
    75,918.73x = 4,604,591,538.86
  5. Step 5: Solve for x
    x = 4,604,591,538.86/75,918.73
  6. Step 6: Final answer
    x = 60,651.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.