Home / 75,799.32-104,644.07-45,591.39

Finding the Fourth Proportional to 75,799.32, 104,644.07 and 45,591.39

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Solution

The fourth proportional to 75,799.32, 104,644.07 and 45,591.39 is: 62,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,799.32 : 104,644.07 = 45,591.39 : x
  2. Step 2: Convert to fraction form
    75,799.32/104,644.07 = 45,591.39/x
  3. Step 3: Cross multiply
    75,799.32x = 104,644.07 × 45,591.39
  4. Step 4: Simplify right side
    75,799.32x = 4,770,867,855.38
  5. Step 5: Solve for x
    x = 4,770,867,855.38/75,799.32
  6. Step 6: Final answer
    x = 62,940.78

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1.5x scale

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.