Home / 71,915.24-107,872.86-25,157.18

Finding the Fourth Proportional to 71,915.24, 107,872.86 and 25,157.18

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Solution

The fourth proportional to 71,915.24, 107,872.86 and 25,157.18 is: 37,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,915.24 : 107,872.86 = 25,157.18 : x
  2. Step 2: Convert to fraction form
    71,915.24/107,872.86 = 25,157.18/x
  3. Step 3: Cross multiply
    71,915.24x = 107,872.86 × 25,157.18
  4. Step 4: Simplify right side
    71,915.24x = 2,713,777,320.16
  5. Step 5: Solve for x
    x = 2,713,777,320.16/71,915.24
  6. Step 6: Final answer
    x = 37,735.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.