Home / 74,428.52-111,646.43-30,049.73

Finding the Fourth Proportional to 74,428.52, 111,646.43 and 30,049.73

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Solution

The fourth proportional to 74,428.52, 111,646.43 and 30,049.73 is: 45,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.52 : 111,646.43 = 30,049.73 : x
  2. Step 2: Convert to fraction form
    74,428.52/111,646.43 = 30,049.73/x
  3. Step 3: Cross multiply
    74,428.52x = 111,646.43 × 30,049.73
  4. Step 4: Simplify right side
    74,428.52x = 3,354,945,076.96
  5. Step 5: Solve for x
    x = 3,354,945,076.96/74,428.52
  6. Step 6: Final answer
    x = 45,076.07

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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.