Home / 126,699.53-174,817.44-75,704.63

Finding the Fourth Proportional to 126,699.53, 174,817.44 and 75,704.63

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Solution

The fourth proportional to 126,699.53, 174,817.44 and 75,704.63 is: 104,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,699.53 : 174,817.44 = 75,704.63 : x
  2. Step 2: Convert to fraction form
    126,699.53/174,817.44 = 75,704.63/x
  3. Step 3: Cross multiply
    126,699.53x = 174,817.44 × 75,704.63
  4. Step 4: Simplify right side
    126,699.53x = 13,234,488,738.66
  5. Step 5: Solve for x
    x = 13,234,488,738.66/126,699.53
  6. Step 6: Final answer
    x = 104,455.71

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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.