Home / 51,008.50-76,517.16-14,072.50

Finding the Fourth Proportional to 51,008.50, 76,517.16 and 14,072.50

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Solution

The fourth proportional to 51,008.50, 76,517.16 and 14,072.50 is: 21,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.50 : 76,517.16 = 14,072.50 : x
  2. Step 2: Convert to fraction form
    51,008.50/76,517.16 = 14,072.50/x
  3. Step 3: Cross multiply
    51,008.50x = 76,517.16 × 14,072.50
  4. Step 4: Simplify right side
    51,008.50x = 1,076,787,734.10
  5. Step 5: Solve for x
    x = 1,076,787,734.10/51,008.50
  6. Step 6: Final answer
    x = 21,109.97

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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.