Home / 53,433.88-80,149.91-18,372.62

Finding the Fourth Proportional to 53,433.88, 80,149.91 and 18,372.62

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Solution

The fourth proportional to 53,433.88, 80,149.91 and 18,372.62 is: 27,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,433.88 : 80,149.91 = 18,372.62 : x
  2. Step 2: Convert to fraction form
    53,433.88/80,149.91 = 18,372.62/x
  3. Step 3: Cross multiply
    53,433.88x = 80,149.91 × 18,372.62
  4. Step 4: Simplify right side
    53,433.88x = 1,472,563,947.98
  5. Step 5: Solve for x
    x = 1,472,563,947.98/53,433.88
  6. Step 6: Final answer
    x = 27,558.62

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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.