Home / 53,873.80-80,815.38-16,442.31

Finding the Fourth Proportional to 53,873.80, 80,815.38 and 16,442.31

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Solution

The fourth proportional to 53,873.80, 80,815.38 and 16,442.31 is: 24,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,873.80 : 80,815.38 = 16,442.31 : x
  2. Step 2: Convert to fraction form
    53,873.80/80,815.38 = 16,442.31/x
  3. Step 3: Cross multiply
    53,873.80x = 80,815.38 × 16,442.31
  4. Step 4: Simplify right side
    53,873.80x = 1,328,791,530.73
  5. Step 5: Solve for x
    x = 1,328,791,530.73/53,873.80
  6. Step 6: Final answer
    x = 24,664.89

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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.