Home / 43,190.49-64,786.76-11,600.59

Finding the Fourth Proportional to 43,190.49, 64,786.76 and 11,600.59

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Solution

The fourth proportional to 43,190.49, 64,786.76 and 11,600.59 is: 17,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190.49 : 64,786.76 = 11,600.59 : x
  2. Step 2: Convert to fraction form
    43,190.49/64,786.76 = 11,600.59/x
  3. Step 3: Cross multiply
    43,190.49x = 64,786.76 × 11,600.59
  4. Step 4: Simplify right side
    43,190.49x = 751,564,800.04
  5. Step 5: Solve for x
    x = 751,564,800.04/43,190.49
  6. Step 6: Final answer
    x = 17,401.16

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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.