Home / 53,518.82-80,251.77-31,337.78

Finding the Fourth Proportional to 53,518.82, 80,251.77 and 31,337.78

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Solution

The fourth proportional to 53,518.82, 80,251.77 and 31,337.78 is: 46,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,518.82 : 80,251.77 = 31,337.78 : x
  2. Step 2: Convert to fraction form
    53,518.82/80,251.77 = 31,337.78/x
  3. Step 3: Cross multiply
    53,518.82x = 80,251.77 × 31,337.78
  4. Step 4: Simplify right side
    53,518.82x = 2,514,912,312.87
  5. Step 5: Solve for x
    x = 2,514,912,312.87/53,518.82
  6. Step 6: Final answer
    x = 46,991.18

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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.