Home / 74,035.68-111,046.62-20,732.49

Finding the Fourth Proportional to 74,035.68, 111,046.62 and 20,732.49

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Solution

The fourth proportional to 74,035.68, 111,046.62 and 20,732.49 is: 31,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.68 : 111,046.62 = 20,732.49 : x
  2. Step 2: Convert to fraction form
    74,035.68/111,046.62 = 20,732.49/x
  3. Step 3: Cross multiply
    74,035.68x = 111,046.62 × 20,732.49
  4. Step 4: Simplify right side
    74,035.68x = 2,302,272,938.68
  5. Step 5: Solve for x
    x = 2,302,272,938.68/74,035.68
  6. Step 6: Final answer
    x = 31,096.80

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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.