Home / 88,179.39-121,673.34-54,176.94

Finding the Fourth Proportional to 88,179.39, 121,673.34 and 54,176.94

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Solution

The fourth proportional to 88,179.39, 121,673.34 and 54,176.94 is: 74,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,179.39 : 121,673.34 = 54,176.94 : x
  2. Step 2: Convert to fraction form
    88,179.39/121,673.34 = 54,176.94/x
  3. Step 3: Cross multiply
    88,179.39x = 121,673.34 × 54,176.94
  4. Step 4: Simplify right side
    88,179.39x = 6,591,889,240.78
  5. Step 5: Solve for x
    x = 6,591,889,240.78/88,179.39
  6. Step 6: Final answer
    x = 74,755.44

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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.