Home / 53,977.78-80,972.06-16,537.42

Finding the Fourth Proportional to 53,977.78, 80,972.06 and 16,537.42

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Solution

The fourth proportional to 53,977.78, 80,972.06 and 16,537.42 is: 24,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,977.78 : 80,972.06 = 16,537.42 : x
  2. Step 2: Convert to fraction form
    53,977.78/80,972.06 = 16,537.42/x
  3. Step 3: Cross multiply
    53,977.78x = 80,972.06 × 16,537.42
  4. Step 4: Simplify right side
    53,977.78x = 1,339,068,964.49
  5. Step 5: Solve for x
    x = 1,339,068,964.49/53,977.78
  6. Step 6: Final answer
    x = 24,807.78

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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.