Home / 45,915.21-68,872.83-14,772.33

Finding the Fourth Proportional to 45,915.21, 68,872.83 and 14,772.33

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Solution

The fourth proportional to 45,915.21, 68,872.83 and 14,772.33 is: 22,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.21 : 68,872.83 = 14,772.33 : x
  2. Step 2: Convert to fraction form
    45,915.21/68,872.83 = 14,772.33/x
  3. Step 3: Cross multiply
    45,915.21x = 68,872.83 × 14,772.33
  4. Step 4: Simplify right side
    45,915.21x = 1,017,412,172.79
  5. Step 5: Solve for x
    x = 1,017,412,172.79/45,915.21
  6. Step 6: Final answer
    x = 22,158.50

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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.