Home / 74,065.81-111,024.87-47,789.02

Finding the Fourth Proportional to 74,065.81, 111,024.87 and 47,789.02

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Solution

The fourth proportional to 74,065.81, 111,024.87 and 47,789.02 is: 71,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,065.81 : 111,024.87 = 47,789.02 : x
  2. Step 2: Convert to fraction form
    74,065.81/111,024.87 = 47,789.02/x
  3. Step 3: Cross multiply
    74,065.81x = 111,024.87 × 47,789.02
  4. Step 4: Simplify right side
    74,065.81x = 5,305,769,732.93
  5. Step 5: Solve for x
    x = 5,305,769,732.93/74,065.81
  6. Step 6: Final answer
    x = 71,635.88

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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.