Home / 49,668.66-68,545.44-28,447.20

Finding the Fourth Proportional to 49,668.66, 68,545.44 and 28,447.20

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Solution

The fourth proportional to 49,668.66, 68,545.44 and 28,447.20 is: 39,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.66 : 68,545.44 = 28,447.20 : x
  2. Step 2: Convert to fraction form
    49,668.66/68,545.44 = 28,447.20/x
  3. Step 3: Cross multiply
    49,668.66x = 68,545.44 × 28,447.20
  4. Step 4: Simplify right side
    49,668.66x = 1,949,925,840.77
  5. Step 5: Solve for x
    x = 1,949,925,840.77/49,668.66
  6. Step 6: Final answer
    x = 39,258.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.