Home / 73,319.63-109,879.97-31,146.83

Finding the Fourth Proportional to 73,319.63, 109,879.97 and 31,146.83

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Solution

The fourth proportional to 73,319.63, 109,879.97 and 31,146.83 is: 46,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,319.63 : 109,879.97 = 31,146.83 : x
  2. Step 2: Convert to fraction form
    73,319.63/109,879.97 = 31,146.83/x
  3. Step 3: Cross multiply
    73,319.63x = 109,879.97 × 31,146.83
  4. Step 4: Simplify right side
    73,319.63x = 3,422,412,540.51
  5. Step 5: Solve for x
    x = 3,422,412,540.51/73,319.63
  6. Step 6: Final answer
    x = 46,677.98

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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.