Home / 73,979.08-111,026.16-51,647.44

Finding the Fourth Proportional to 73,979.08, 111,026.16 and 51,647.44

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Solution

The fourth proportional to 73,979.08, 111,026.16 and 51,647.44 is: 77,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,979.08 : 111,026.16 = 51,647.44 : x
  2. Step 2: Convert to fraction form
    73,979.08/111,026.16 = 51,647.44/x
  3. Step 3: Cross multiply
    73,979.08x = 111,026.16 × 51,647.44
  4. Step 4: Simplify right side
    73,979.08x = 5,734,216,937.03
  5. Step 5: Solve for x
    x = 5,734,216,937.03/73,979.08
  6. Step 6: Final answer
    x = 77,511.33

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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.