Home / 49,582.88-68,427.60-28,364.96

Finding the Fourth Proportional to 49,582.88, 68,427.60 and 28,364.96

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Solution

The fourth proportional to 49,582.88, 68,427.60 and 28,364.96 is: 39,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,582.88 : 68,427.60 = 28,364.96 : x
  2. Step 2: Convert to fraction form
    49,582.88/68,427.60 = 28,364.96/x
  3. Step 3: Cross multiply
    49,582.88x = 68,427.60 × 28,364.96
  4. Step 4: Simplify right side
    49,582.88x = 1,940,946,136.90
  5. Step 5: Solve for x
    x = 1,940,946,136.90/49,582.88
  6. Step 6: Final answer
    x = 39,145.49

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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.