Home / 70,556.26-105,830.73-17,962.54

Finding the Fourth Proportional to 70,556.26, 105,830.73 and 17,962.54

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Solution

The fourth proportional to 70,556.26, 105,830.73 and 17,962.54 is: 26,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,556.26 : 105,830.73 = 17,962.54 : x
  2. Step 2: Convert to fraction form
    70,556.26/105,830.73 = 17,962.54/x
  3. Step 3: Cross multiply
    70,556.26x = 105,830.73 × 17,962.54
  4. Step 4: Simplify right side
    70,556.26x = 1,900,988,720.85
  5. Step 5: Solve for x
    x = 1,900,988,720.85/70,556.26
  6. Step 6: Final answer
    x = 26,942.88

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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.