Home / 51,242.16-76,872.60-16,191.60

Finding the Fourth Proportional to 51,242.16, 76,872.60 and 16,191.60

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Solution

The fourth proportional to 51,242.16, 76,872.60 and 16,191.60 is: 24,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.16 : 76,872.60 = 16,191.60 : x
  2. Step 2: Convert to fraction form
    51,242.16/76,872.60 = 16,191.60/x
  3. Step 3: Cross multiply
    51,242.16x = 76,872.60 × 16,191.60
  4. Step 4: Simplify right side
    51,242.16x = 1,244,690,390.16
  5. Step 5: Solve for x
    x = 1,244,690,390.16/51,242.16
  6. Step 6: Final answer
    x = 24,290.36

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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.