Home / 69,180.20-94,845.96-67,919.06

Finding the Fourth Proportional to 69,180.20, 94,845.96 and 67,919.06

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Solution

The fourth proportional to 69,180.20, 94,845.96 and 67,919.06 is: 93,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,180.20 : 94,845.96 = 67,919.06 : x
  2. Step 2: Convert to fraction form
    69,180.20/94,845.96 = 67,919.06/x
  3. Step 3: Cross multiply
    69,180.20x = 94,845.96 × 67,919.06
  4. Step 4: Simplify right side
    69,180.20x = 6,441,848,939.81
  5. Step 5: Solve for x
    x = 6,441,848,939.81/69,180.20
  6. Step 6: Final answer
    x = 93,116.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.