Home / 68,914.83-103,345.47-26,789.33

Finding the Fourth Proportional to 68,914.83, 103,345.47 and 26,789.33

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Solution

The fourth proportional to 68,914.83, 103,345.47 and 26,789.33 is: 40,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,914.83 : 103,345.47 = 26,789.33 : x
  2. Step 2: Convert to fraction form
    68,914.83/103,345.47 = 26,789.33/x
  3. Step 3: Cross multiply
    68,914.83x = 103,345.47 × 26,789.33
  4. Step 4: Simplify right side
    68,914.83x = 2,768,556,158.20
  5. Step 5: Solve for x
    x = 2,768,556,158.20/68,914.83
  6. Step 6: Final answer
    x = 40,173.59

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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.