Home / 70,343.26-97,082.94-40,121.66

Finding the Fourth Proportional to 70,343.26, 97,082.94 and 40,121.66

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Solution

The fourth proportional to 70,343.26, 97,082.94 and 40,121.66 is: 55,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.26 : 97,082.94 = 40,121.66 : x
  2. Step 2: Convert to fraction form
    70,343.26/97,082.94 = 40,121.66/x
  3. Step 3: Cross multiply
    70,343.26x = 97,082.94 × 40,121.66
  4. Step 4: Simplify right side
    70,343.26x = 3,895,128,225.07
  5. Step 5: Solve for x
    x = 3,895,128,225.07/70,343.26
  6. Step 6: Final answer
    x = 55,373.15

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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.