Home / 73,282.39-109,840.20-31,136.16

Finding the Fourth Proportional to 73,282.39, 109,840.20 and 31,136.16

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Solution

The fourth proportional to 73,282.39, 109,840.20 and 31,136.16 is: 46,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,282.39 : 109,840.20 = 31,136.16 : x
  2. Step 2: Convert to fraction form
    73,282.39/109,840.20 = 31,136.16/x
  3. Step 3: Cross multiply
    73,282.39x = 109,840.20 × 31,136.16
  4. Step 4: Simplify right side
    73,282.39x = 3,420,002,336.77
  5. Step 5: Solve for x
    x = 3,420,002,336.77/73,282.39
  6. Step 6: Final answer
    x = 46,668.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.