Home / 49,556.42-68,390.62-28,047.28

Finding the Fourth Proportional to 49,556.42, 68,390.62 and 28,047.28

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Solution

The fourth proportional to 49,556.42, 68,390.62 and 28,047.28 is: 38,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,556.42 : 68,390.62 = 28,047.28 : x
  2. Step 2: Convert to fraction form
    49,556.42/68,390.62 = 28,047.28/x
  3. Step 3: Cross multiply
    49,556.42x = 68,390.62 × 28,047.28
  4. Step 4: Simplify right side
    49,556.42x = 1,918,170,868.51
  5. Step 5: Solve for x
    x = 1,918,170,868.51/49,556.42
  6. Step 6: Final answer
    x = 38,706.81

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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.