Home / 51,287.40-76,792.08-26,611.56

Finding the Fourth Proportional to 51,287.40, 76,792.08 and 26,611.56

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Solution

The fourth proportional to 51,287.40, 76,792.08 and 26,611.56 is: 39,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.40 : 76,792.08 = 26,611.56 : x
  2. Step 2: Convert to fraction form
    51,287.40/76,792.08 = 26,611.56/x
  3. Step 3: Cross multiply
    51,287.40x = 76,792.08 × 26,611.56
  4. Step 4: Simplify right side
    51,287.40x = 2,043,557,044.44
  5. Step 5: Solve for x
    x = 2,043,557,044.44/51,287.40
  6. Step 6: Final answer
    x = 39,845.21

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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.