Home / 40,080.36-60,108.38-13,769.96

Finding the Fourth Proportional to 40,080.36, 60,108.38 and 13,769.96

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Solution

The fourth proportional to 40,080.36, 60,108.38 and 13,769.96 is: 20,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.36 : 60,108.38 = 13,769.96 : x
  2. Step 2: Convert to fraction form
    40,080.36/60,108.38 = 13,769.96/x
  3. Step 3: Cross multiply
    40,080.36x = 60,108.38 × 13,769.96
  4. Step 4: Simplify right side
    40,080.36x = 827,689,988.26
  5. Step 5: Solve for x
    x = 827,689,988.26/40,080.36
  6. Step 6: Final answer
    x = 20,650.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.