Home / 109,743.96-164,590.38-30,865.80

Finding the Fourth Proportional to 109,743.96, 164,590.38 and 30,865.80

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Solution

The fourth proportional to 109,743.96, 164,590.38 and 30,865.80 is: 46,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,743.96 : 164,590.38 = 30,865.80 : x
  2. Step 2: Convert to fraction form
    109,743.96/164,590.38 = 30,865.80/x
  3. Step 3: Cross multiply
    109,743.96x = 164,590.38 × 30,865.80
  4. Step 4: Simplify right side
    109,743.96x = 5,080,213,751.00
  5. Step 5: Solve for x
    x = 5,080,213,751.00/109,743.96
  6. Step 6: Final answer
    x = 46,291.51

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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.