Home / 40,065.20-60,099.22-13,769.77

Finding the Fourth Proportional to 40,065.20, 60,099.22 and 13,769.77

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Solution

The fourth proportional to 40,065.20, 60,099.22 and 13,769.77 is: 20,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.20 : 60,099.22 = 13,769.77 : x
  2. Step 2: Convert to fraction form
    40,065.20/60,099.22 = 13,769.77/x
  3. Step 3: Cross multiply
    40,065.20x = 60,099.22 × 13,769.77
  4. Step 4: Simplify right side
    40,065.20x = 827,552,136.08
  5. Step 5: Solve for x
    x = 827,552,136.08/40,065.20
  6. Step 6: Final answer
    x = 20,655.14

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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.