Home / 70,718.22-106,077.96-20,799.18

Finding the Fourth Proportional to 70,718.22, 106,077.96 and 20,799.18

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Solution

The fourth proportional to 70,718.22, 106,077.96 and 20,799.18 is: 31,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,718.22 : 106,077.96 = 20,799.18 : x
  2. Step 2: Convert to fraction form
    70,718.22/106,077.96 = 20,799.18/x
  3. Step 3: Cross multiply
    70,718.22x = 106,077.96 × 20,799.18
  4. Step 4: Simplify right side
    70,718.22x = 2,206,334,584.07
  5. Step 5: Solve for x
    x = 2,206,334,584.07/70,718.22
  6. Step 6: Final answer
    x = 31,198.96

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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.