Home / 43,137.96-64,653.66-18,169.26

Finding the Fourth Proportional to 43,137.96, 64,653.66 and 18,169.26

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Solution

The fourth proportional to 43,137.96, 64,653.66 and 18,169.26 is: 27,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137.96 : 64,653.66 = 18,169.26 : x
  2. Step 2: Convert to fraction form
    43,137.96/64,653.66 = 18,169.26/x
  3. Step 3: Cross multiply
    43,137.96x = 64,653.66 × 18,169.26
  4. Step 4: Simplify right side
    43,137.96x = 1,174,709,158.49
  5. Step 5: Solve for x
    x = 1,174,709,158.49/43,137.96
  6. Step 6: Final answer
    x = 27,231.45

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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.