Home / 53,823.80-80,735.62-18,288.82

Finding the Fourth Proportional to 53,823.80, 80,735.62 and 18,288.82

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Solution

The fourth proportional to 53,823.80, 80,735.62 and 18,288.82 is: 27,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.80 : 80,735.62 = 18,288.82 : x
  2. Step 2: Convert to fraction form
    53,823.80/80,735.62 = 18,288.82/x
  3. Step 3: Cross multiply
    53,823.80x = 80,735.62 × 18,288.82
  4. Step 4: Simplify right side
    53,823.80x = 1,476,559,221.77
  5. Step 5: Solve for x
    x = 1,476,559,221.77/53,823.80
  6. Step 6: Final answer
    x = 27,433.20

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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.