Home / 126,108.61-174,028.74-69,519.98

Finding the Fourth Proportional to 126,108.61, 174,028.74 and 69,519.98

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Solution

The fourth proportional to 126,108.61, 174,028.74 and 69,519.98 is: 95,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,108.61 : 174,028.74 = 69,519.98 : x
  2. Step 2: Convert to fraction form
    126,108.61/174,028.74 = 69,519.98/x
  3. Step 3: Cross multiply
    126,108.61x = 174,028.74 × 69,519.98
  4. Step 4: Simplify right side
    126,108.61x = 12,098,474,698.60
  5. Step 5: Solve for x
    x = 12,098,474,698.60/126,108.61
  6. Step 6: Final answer
    x = 95,936.95

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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.