Home / 67,152.24-92,631.60-40,286.16

Finding the Fourth Proportional to 67,152.24, 92,631.60 and 40,286.16

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Solution

The fourth proportional to 67,152.24, 92,631.60 and 40,286.16 is: 55,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,152.24 : 92,631.60 = 40,286.16 : x
  2. Step 2: Convert to fraction form
    67,152.24/92,631.60 = 40,286.16/x
  3. Step 3: Cross multiply
    67,152.24x = 92,631.60 × 40,286.16
  4. Step 4: Simplify right side
    67,152.24x = 3,731,771,458.66
  5. Step 5: Solve for x
    x = 3,731,771,458.66/67,152.24
  6. Step 6: Final answer
    x = 55,571.81

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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.