Home / 70,343.57-97,083.38-40,121.96

Finding the Fourth Proportional to 70,343.57, 97,083.38 and 40,121.96

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Solution

The fourth proportional to 70,343.57, 97,083.38 and 40,121.96 is: 55,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.57 : 97,083.38 = 40,121.96 : x
  2. Step 2: Convert to fraction form
    70,343.57/97,083.38 = 40,121.96/x
  3. Step 3: Cross multiply
    70,343.57x = 97,083.38 × 40,121.96
  4. Step 4: Simplify right side
    70,343.57x = 3,895,175,489.02
  5. Step 5: Solve for x
    x = 3,895,175,489.02/70,343.57
  6. Step 6: Final answer
    x = 55,373.58

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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.