Home / 70,822.44-97,734.18-38,990.68

Finding the Fourth Proportional to 70,822.44, 97,734.18 and 38,990.68

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Solution

The fourth proportional to 70,822.44, 97,734.18 and 38,990.68 is: 53,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,822.44 : 97,734.18 = 38,990.68 : x
  2. Step 2: Convert to fraction form
    70,822.44/97,734.18 = 38,990.68/x
  3. Step 3: Cross multiply
    70,822.44x = 97,734.18 × 38,990.68
  4. Step 4: Simplify right side
    70,822.44x = 3,810,722,137.44
  5. Step 5: Solve for x
    x = 3,810,722,137.44/70,822.44
  6. Step 6: Final answer
    x = 53,806.71

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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.