Home / 118,796.42-178,173.10-47,716.19

Finding the Fourth Proportional to 118,796.42, 178,173.10 and 47,716.19

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Solution

The fourth proportional to 118,796.42, 178,173.10 and 47,716.19 is: 71,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,796.42 : 178,173.10 = 47,716.19 : x
  2. Step 2: Convert to fraction form
    118,796.42/178,173.10 = 47,716.19/x
  3. Step 3: Cross multiply
    118,796.42x = 178,173.10 × 47,716.19
  4. Step 4: Simplify right side
    118,796.42x = 8,501,740,601.62
  5. Step 5: Solve for x
    x = 8,501,740,601.62/118,796.42
  6. Step 6: Final answer
    x = 71,565.63

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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.