Home / 79,367.13-109,529.30-43,559.12

Finding the Fourth Proportional to 79,367.13, 109,529.30 and 43,559.12

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Solution

The fourth proportional to 79,367.13, 109,529.30 and 43,559.12 is: 60,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367.13 : 109,529.30 = 43,559.12 : x
  2. Step 2: Convert to fraction form
    79,367.13/109,529.30 = 43,559.12/x
  3. Step 3: Cross multiply
    79,367.13x = 109,529.30 × 43,559.12
  4. Step 4: Simplify right side
    79,367.13x = 4,771,000,304.94
  5. Step 5: Solve for x
    x = 4,771,000,304.94/79,367.13
  6. Step 6: Final answer
    x = 60,113.05

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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.