Home / 67,016.52-92,479.68-40,173.84

Finding the Fourth Proportional to 67,016.52, 92,479.68 and 40,173.84

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Solution

The fourth proportional to 67,016.52, 92,479.68 and 40,173.84 is: 55,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,016.52 : 92,479.68 = 40,173.84 : x
  2. Step 2: Convert to fraction form
    67,016.52/92,479.68 = 40,173.84/x
  3. Step 3: Cross multiply
    67,016.52x = 92,479.68 × 40,173.84
  4. Step 4: Simplify right side
    67,016.52x = 3,715,263,867.57
  5. Step 5: Solve for x
    x = 3,715,263,867.57/67,016.52
  6. Step 6: Final answer
    x = 55,438.03

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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.