Home / 43,204.11-64,806.61-12,039.36

Finding the Fourth Proportional to 43,204.11, 64,806.61 and 12,039.36

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Solution

The fourth proportional to 43,204.11, 64,806.61 and 12,039.36 is: 18,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,204.11 : 64,806.61 = 12,039.36 : x
  2. Step 2: Convert to fraction form
    43,204.11/64,806.61 = 12,039.36/x
  3. Step 3: Cross multiply
    43,204.11x = 64,806.61 × 12,039.36
  4. Step 4: Simplify right side
    43,204.11x = 780,230,108.17
  5. Step 5: Solve for x
    x = 780,230,108.17/43,204.11
  6. Step 6: Final answer
    x = 18,059.16

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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.