Home / 126,076.94-173,981.08-68,715.03

Finding the Fourth Proportional to 126,076.94, 173,981.08 and 68,715.03

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Solution

The fourth proportional to 126,076.94, 173,981.08 and 68,715.03 is: 94,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,076.94 : 173,981.08 = 68,715.03 : x
  2. Step 2: Convert to fraction form
    126,076.94/173,981.08 = 68,715.03/x
  3. Step 3: Cross multiply
    126,076.94x = 173,981.08 × 68,715.03
  4. Step 4: Simplify right side
    126,076.94x = 11,955,115,869.96
  5. Step 5: Solve for x
    x = 11,955,115,869.96/126,076.94
  6. Step 6: Final answer
    x = 94,823.97

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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.