Home / 79,356.78-109,511.55-43,546.86

Finding the Fourth Proportional to 79,356.78, 109,511.55 and 43,546.86

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Solution

The fourth proportional to 79,356.78, 109,511.55 and 43,546.86 is: 60,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356.78 : 109,511.55 = 43,546.86 : x
  2. Step 2: Convert to fraction form
    79,356.78/109,511.55 = 43,546.86/x
  3. Step 3: Cross multiply
    79,356.78x = 109,511.55 × 43,546.86
  4. Step 4: Simplify right side
    79,356.78x = 4,768,884,136.23
  5. Step 5: Solve for x
    x = 4,768,884,136.23/79,356.78
  6. Step 6: Final answer
    x = 60,094.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.