Home / 79,556.24-109,760.28-49,330.68

Finding the Fourth Proportional to 79,556.24, 109,760.28 and 49,330.68

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Solution

The fourth proportional to 79,556.24, 109,760.28 and 49,330.68 is: 68,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,556.24 : 109,760.28 = 49,330.68 : x
  2. Step 2: Convert to fraction form
    79,556.24/109,760.28 = 49,330.68/x
  3. Step 3: Cross multiply
    79,556.24x = 109,760.28 × 49,330.68
  4. Step 4: Simplify right side
    79,556.24x = 5,414,549,249.39
  5. Step 5: Solve for x
    x = 5,414,549,249.39/79,556.24
  6. Step 6: Final answer
    x = 68,059.40

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1.5x scale

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.