Home / 107,136.72-160,736.46-47,959.20

Finding the Fourth Proportional to 107,136.72, 160,736.46 and 47,959.20

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Solution

The fourth proportional to 107,136.72, 160,736.46 and 47,959.20 is: 71,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,136.72 : 160,736.46 = 47,959.20 : x
  2. Step 2: Convert to fraction form
    107,136.72/160,736.46 = 47,959.20/x
  3. Step 3: Cross multiply
    107,136.72x = 160,736.46 × 47,959.20
  4. Step 4: Simplify right side
    107,136.72x = 7,708,792,032.43
  5. Step 5: Solve for x
    x = 7,708,792,032.43/107,136.72
  6. Step 6: Final answer
    x = 71,952.85

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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.