Home / 79,360.77-109,519.20-43,554.11

Finding the Fourth Proportional to 79,360.77, 109,519.20 and 43,554.11

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Solution

The fourth proportional to 79,360.77, 109,519.20 and 43,554.11 is: 60,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,360.77 : 109,519.20 = 43,554.11 : x
  2. Step 2: Convert to fraction form
    79,360.77/109,519.20 = 43,554.11/x
  3. Step 3: Cross multiply
    79,360.77x = 109,519.20 × 43,554.11
  4. Step 4: Simplify right side
    79,360.77x = 4,770,011,283.91
  5. Step 5: Solve for x
    x = 4,770,011,283.91/79,360.77
  6. Step 6: Final answer
    x = 60,105.41

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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.