Home / 79,556.21-109,790.39-43,748.94

Finding the Fourth Proportional to 79,556.21, 109,790.39 and 43,748.94

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Solution

The fourth proportional to 79,556.21, 109,790.39 and 43,748.94 is: 60,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,556.21 : 109,790.39 = 43,748.94 : x
  2. Step 2: Convert to fraction form
    79,556.21/109,790.39 = 43,748.94/x
  3. Step 3: Cross multiply
    79,556.21x = 109,790.39 × 43,748.94
  4. Step 4: Simplify right side
    79,556.21x = 4,803,213,705.77
  5. Step 5: Solve for x
    x = 4,803,213,705.77/79,556.21
  6. Step 6: Final answer
    x = 60,375.10

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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.