Home / 73,766.32-110,649.51-31,619.02

Finding the Fourth Proportional to 73,766.32, 110,649.51 and 31,619.02

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Solution

The fourth proportional to 73,766.32, 110,649.51 and 31,619.02 is: 47,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,766.32 : 110,649.51 = 31,619.02 : x
  2. Step 2: Convert to fraction form
    73,766.32/110,649.51 = 31,619.02/x
  3. Step 3: Cross multiply
    73,766.32x = 110,649.51 × 31,619.02
  4. Step 4: Simplify right side
    73,766.32x = 3,498,629,069.68
  5. Step 5: Solve for x
    x = 3,498,629,069.68/73,766.32
  6. Step 6: Final answer
    x = 47,428.54

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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.