Home / 106,613.36-159,951.99-31,736.12

Finding the Fourth Proportional to 106,613.36, 159,951.99 and 31,736.12

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Solution

The fourth proportional to 106,613.36, 159,951.99 and 31,736.12 is: 47,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.36 : 159,951.99 = 31,736.12 : x
  2. Step 2: Convert to fraction form
    106,613.36/159,951.99 = 31,736.12/x
  3. Step 3: Cross multiply
    106,613.36x = 159,951.99 × 31,736.12
  4. Step 4: Simplify right side
    106,613.36x = 5,076,255,548.88
  5. Step 5: Solve for x
    x = 5,076,255,548.88/106,613.36
  6. Step 6: Final answer
    x = 47,613.69

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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.