Home / 53,860.11-80,827.07-18,799.77

Finding the Fourth Proportional to 53,860.11, 80,827.07 and 18,799.77

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Solution

The fourth proportional to 53,860.11, 80,827.07 and 18,799.77 is: 28,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.11 : 80,827.07 = 18,799.77 : x
  2. Step 2: Convert to fraction form
    53,860.11/80,827.07 = 18,799.77/x
  3. Step 3: Cross multiply
    53,860.11x = 80,827.07 × 18,799.77
  4. Step 4: Simplify right side
    53,860.11x = 1,519,530,325.77
  5. Step 5: Solve for x
    x = 1,519,530,325.77/53,860.11
  6. Step 6: Final answer
    x = 28,212.54

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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.