Home / 79,211.07-109,311.26-43,402.44

Finding the Fourth Proportional to 79,211.07, 109,311.26 and 43,402.44

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Solution

The fourth proportional to 79,211.07, 109,311.26 and 43,402.44 is: 59,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211.07 : 109,311.26 = 43,402.44 : x
  2. Step 2: Convert to fraction form
    79,211.07/109,311.26 = 43,402.44/x
  3. Step 3: Cross multiply
    79,211.07x = 109,311.26 × 43,402.44
  4. Step 4: Simplify right side
    79,211.07x = 4,744,375,186.46
  5. Step 5: Solve for x
    x = 4,744,375,186.46/79,211.07
  6. Step 6: Final answer
    x = 59,895.36

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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.