Home / 80,549.94-111,199.32-50,352.06

Finding the Fourth Proportional to 80,549.94, 111,199.32 and 50,352.06

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Solution

The fourth proportional to 80,549.94, 111,199.32 and 50,352.06 is: 69,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.94 : 111,199.32 = 50,352.06 : x
  2. Step 2: Convert to fraction form
    80,549.94/111,199.32 = 50,352.06/x
  3. Step 3: Cross multiply
    80,549.94x = 111,199.32 × 50,352.06
  4. Step 4: Simplify right side
    80,549.94x = 5,599,114,832.60
  5. Step 5: Solve for x
    x = 5,599,114,832.60/80,549.94
  6. Step 6: Final answer
    x = 69,511.10

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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.