Home / 53,865.62-80,748.16-18,302.61

Finding the Fourth Proportional to 53,865.62, 80,748.16 and 18,302.61

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Solution

The fourth proportional to 53,865.62, 80,748.16 and 18,302.61 is: 27,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.62 : 80,748.16 = 18,302.61 : x
  2. Step 2: Convert to fraction form
    53,865.62/80,748.16 = 18,302.61/x
  3. Step 3: Cross multiply
    53,865.62x = 80,748.16 × 18,302.61
  4. Step 4: Simplify right side
    53,865.62x = 1,477,901,883.54
  5. Step 5: Solve for x
    x = 1,477,901,883.54/53,865.62
  6. Step 6: Final answer
    x = 27,436.83

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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.