Home / 49,868.45-68,821.09-28,649.08

Finding the Fourth Proportional to 49,868.45, 68,821.09 and 28,649.08

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Solution

The fourth proportional to 49,868.45, 68,821.09 and 28,649.08 is: 39,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.45 : 68,821.09 = 28,649.08 : x
  2. Step 2: Convert to fraction form
    49,868.45/68,821.09 = 28,649.08/x
  3. Step 3: Cross multiply
    49,868.45x = 68,821.09 × 28,649.08
  4. Step 4: Simplify right side
    49,868.45x = 1,971,660,669.42
  5. Step 5: Solve for x
    x = 1,971,660,669.42/49,868.45
  6. Step 6: Final answer
    x = 39,537.24

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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.