Home / 81,576.44-122,364.60-22,412.36

Finding the Fourth Proportional to 81,576.44, 122,364.60 and 22,412.36

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Solution

The fourth proportional to 81,576.44, 122,364.60 and 22,412.36 is: 33,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,576.44 : 122,364.60 = 22,412.36 : x
  2. Step 2: Convert to fraction form
    81,576.44/122,364.60 = 22,412.36/x
  3. Step 3: Cross multiply
    81,576.44x = 122,364.60 × 22,412.36
  4. Step 4: Simplify right side
    81,576.44x = 2,742,479,466.46
  5. Step 5: Solve for x
    x = 2,742,479,466.46/81,576.44
  6. Step 6: Final answer
    x = 33,618.52

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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.