Home / 80,146.32-110,601.34-47,895.64

Finding the Fourth Proportional to 80,146.32, 110,601.34 and 47,895.64

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Solution

The fourth proportional to 80,146.32, 110,601.34 and 47,895.64 is: 66,095.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,146.32 : 110,601.34 = 47,895.64 : x
  2. Step 2: Convert to fraction form
    80,146.32/110,601.34 = 47,895.64/x
  3. Step 3: Cross multiply
    80,146.32x = 110,601.34 × 47,895.64
  4. Step 4: Simplify right side
    80,146.32x = 5,297,321,964.16
  5. Step 5: Solve for x
    x = 5,297,321,964.16/80,146.32
  6. Step 6: Final answer
    x = 66,095.64

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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.