Home / 126,108.36-174,037.38-69,519.64

Finding the Fourth Proportional to 126,108.36, 174,037.38 and 69,519.64

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Solution

The fourth proportional to 126,108.36, 174,037.38 and 69,519.64 is: 95,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,108.36 : 174,037.38 = 69,519.64 : x
  2. Step 2: Convert to fraction form
    126,108.36/174,037.38 = 69,519.64/x
  3. Step 3: Cross multiply
    126,108.36x = 174,037.38 × 69,519.64
  4. Step 4: Simplify right side
    126,108.36x = 12,099,016,004.14
  5. Step 5: Solve for x
    x = 12,099,016,004.14/126,108.36
  6. Step 6: Final answer
    x = 95,941.43

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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.