Home / 79,181.84-118,657.94-43,650.38

Finding the Fourth Proportional to 79,181.84, 118,657.94 and 43,650.38

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Solution

The fourth proportional to 79,181.84, 118,657.94 and 43,650.38 is: 65,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,181.84 : 118,657.94 = 43,650.38 : x
  2. Step 2: Convert to fraction form
    79,181.84/118,657.94 = 43,650.38/x
  3. Step 3: Cross multiply
    79,181.84x = 118,657.94 × 43,650.38
  4. Step 4: Simplify right side
    79,181.84x = 5,179,463,359.48
  5. Step 5: Solve for x
    x = 5,179,463,359.48/79,181.84
  6. Step 6: Final answer
    x = 65,412.27

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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.