Home / 80,180.01-110,575.31-68,845.95

Finding the Fourth Proportional to 80,180.01, 110,575.31 and 68,845.95

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Solution

The fourth proportional to 80,180.01, 110,575.31 and 68,845.95 is: 94,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,180.01 : 110,575.31 = 68,845.95 : x
  2. Step 2: Convert to fraction form
    80,180.01/110,575.31 = 68,845.95/x
  3. Step 3: Cross multiply
    80,180.01x = 110,575.31 × 68,845.95
  4. Step 4: Simplify right side
    80,180.01x = 7,612,662,263.49
  5. Step 5: Solve for x
    x = 7,612,662,263.49/80,180.01
  6. Step 6: Final answer
    x = 94,944.64

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1.5x scale

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.