Home / 79,104.44-109,158.64-45,114.37

Finding the Fourth Proportional to 79,104.44, 109,158.64 and 45,114.37

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Solution

The fourth proportional to 79,104.44, 109,158.64 and 45,114.37 is: 62,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,104.44 : 109,158.64 = 45,114.37 : x
  2. Step 2: Convert to fraction form
    79,104.44/109,158.64 = 45,114.37/x
  3. Step 3: Cross multiply
    79,104.44x = 109,158.64 × 45,114.37
  4. Step 4: Simplify right side
    79,104.44x = 4,924,622,887.97
  5. Step 5: Solve for x
    x = 4,924,622,887.97/79,104.44
  6. Step 6: Final answer
    x = 62,254.69

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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.