Home / 68,208.08-94,170.20-50,271.84

Finding the Fourth Proportional to 68,208.08, 94,170.20 and 50,271.84

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Solution

The fourth proportional to 68,208.08, 94,170.20 and 50,271.84 is: 69,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,208.08 : 94,170.20 = 50,271.84 : x
  2. Step 2: Convert to fraction form
    68,208.08/94,170.20 = 50,271.84/x
  3. Step 3: Cross multiply
    68,208.08x = 94,170.20 × 50,271.84
  4. Step 4: Simplify right side
    68,208.08x = 4,734,108,975.81
  5. Step 5: Solve for x
    x = 4,734,108,975.81/68,208.08
  6. Step 6: Final answer
    x = 69,406.87

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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.