Home / 68,082.31-93,915.24-40,851.36

Finding the Fourth Proportional to 68,082.31, 93,915.24 and 40,851.36

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Solution

The fourth proportional to 68,082.31, 93,915.24 and 40,851.36 is: 56,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,082.31 : 93,915.24 = 40,851.36 : x
  2. Step 2: Convert to fraction form
    68,082.31/93,915.24 = 40,851.36/x
  3. Step 3: Cross multiply
    68,082.31x = 93,915.24 × 40,851.36
  4. Step 4: Simplify right side
    68,082.31x = 3,836,565,278.73
  5. Step 5: Solve for x
    x = 3,836,565,278.73/68,082.31
  6. Step 6: Final answer
    x = 56,351.87

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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.