Home / 74,166.82-111,268.44-21,576.76

Finding the Fourth Proportional to 74,166.82, 111,268.44 and 21,576.76

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Solution

The fourth proportional to 74,166.82, 111,268.44 and 21,576.76 is: 32,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.82 : 111,268.44 = 21,576.76 : x
  2. Step 2: Convert to fraction form
    74,166.82/111,268.44 = 21,576.76/x
  3. Step 3: Cross multiply
    74,166.82x = 111,268.44 × 21,576.76
  4. Step 4: Simplify right side
    74,166.82x = 2,400,812,425.45
  5. Step 5: Solve for x
    x = 2,400,812,425.45/74,166.82
  6. Step 6: Final answer
    x = 32,370.44

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1.5x scale

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.