Home / 70,342.26-97,072.07-40,127.53

Finding the Fourth Proportional to 70,342.26, 97,072.07 and 40,127.53

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Solution

The fourth proportional to 70,342.26, 97,072.07 and 40,127.53 is: 55,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.26 : 97,072.07 = 40,127.53 : x
  2. Step 2: Convert to fraction form
    70,342.26/97,072.07 = 40,127.53/x
  3. Step 3: Cross multiply
    70,342.26x = 97,072.07 × 40,127.53
  4. Step 4: Simplify right side
    70,342.26x = 3,895,262,321.79
  5. Step 5: Solve for x
    x = 3,895,262,321.79/70,342.26
  6. Step 6: Final answer
    x = 55,375.85

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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.