Home / 45,051.88-67,576.44-18,755.96

Finding the Fourth Proportional to 45,051.88, 67,576.44 and 18,755.96

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Solution

The fourth proportional to 45,051.88, 67,576.44 and 18,755.96 is: 28,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,051.88 : 67,576.44 = 18,755.96 : x
  2. Step 2: Convert to fraction form
    45,051.88/67,576.44 = 18,755.96/x
  3. Step 3: Cross multiply
    45,051.88x = 67,576.44 × 18,755.96
  4. Step 4: Simplify right side
    45,051.88x = 1,267,461,005.58
  5. Step 5: Solve for x
    x = 1,267,461,005.58/45,051.88
  6. Step 6: Final answer
    x = 28,133.37

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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.