Home / 53,682.80-80,536.92-52,790.24

Finding the Fourth Proportional to 53,682.80, 80,536.92 and 52,790.24

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Solution

The fourth proportional to 53,682.80, 80,536.92 and 52,790.24 is: 79,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,682.80 : 80,536.92 = 52,790.24 : x
  2. Step 2: Convert to fraction form
    53,682.80/80,536.92 = 52,790.24/x
  3. Step 3: Cross multiply
    53,682.80x = 80,536.92 × 52,790.24
  4. Step 4: Simplify right side
    53,682.80x = 4,251,563,335.66
  5. Step 5: Solve for x
    x = 4,251,563,335.66/53,682.80
  6. Step 6: Final answer
    x = 79,197.87

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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.