Home / 74,183.58-111,176.96-64,276.47

Finding the Fourth Proportional to 74,183.58, 111,176.96 and 64,276.47

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Solution

The fourth proportional to 74,183.58, 111,176.96 and 64,276.47 is: 96,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,183.58 : 111,176.96 = 64,276.47 : x
  2. Step 2: Convert to fraction form
    74,183.58/111,176.96 = 64,276.47/x
  3. Step 3: Cross multiply
    74,183.58x = 111,176.96 × 64,276.47
  4. Step 4: Simplify right side
    74,183.58x = 7,146,062,212.75
  5. Step 5: Solve for x
    x = 7,146,062,212.75/74,183.58
  6. Step 6: Final answer
    x = 96,329.43

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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.