Home / 75,051.33-112,576.97-28,293.27

Finding the Fourth Proportional to 75,051.33, 112,576.97 and 28,293.27

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Solution

The fourth proportional to 75,051.33, 112,576.97 and 28,293.27 is: 42,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,051.33 : 112,576.97 = 28,293.27 : x
  2. Step 2: Convert to fraction form
    75,051.33/112,576.97 = 28,293.27/x
  3. Step 3: Cross multiply
    75,051.33x = 112,576.97 × 28,293.27
  4. Step 4: Simplify right side
    75,051.33x = 3,185,170,607.99
  5. Step 5: Solve for x
    x = 3,185,170,607.99/75,051.33
  6. Step 6: Final answer
    x = 42,439.90

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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.