Home / 53,620.72-80,431.69-16,181.11

Finding the Fourth Proportional to 53,620.72, 80,431.69 and 16,181.11

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Solution

The fourth proportional to 53,620.72, 80,431.69 and 16,181.11 is: 24,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.72 : 80,431.69 = 16,181.11 : x
  2. Step 2: Convert to fraction form
    53,620.72/80,431.69 = 16,181.11/x
  3. Step 3: Cross multiply
    53,620.72x = 80,431.69 × 16,181.11
  4. Step 4: Simplify right side
    53,620.72x = 1,301,474,023.38
  5. Step 5: Solve for x
    x = 1,301,474,023.38/53,620.72
  6. Step 6: Final answer
    x = 24,271.85

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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.