Home / 45,915.20-68,872.80-26,232.20

Finding the Fourth Proportional to 45,915.20, 68,872.80 and 26,232.20

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Solution

The fourth proportional to 45,915.20, 68,872.80 and 26,232.20 is: 39,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.20 : 68,872.80 = 26,232.20 : x
  2. Step 2: Convert to fraction form
    45,915.20/68,872.80 = 26,232.20/x
  3. Step 3: Cross multiply
    45,915.20x = 68,872.80 × 26,232.20
  4. Step 4: Simplify right side
    45,915.20x = 1,806,685,064.16
  5. Step 5: Solve for x
    x = 1,806,685,064.16/45,915.20
  6. Step 6: Final answer
    x = 39,348.30

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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.