Home / 60,590.32-90,927-21,147.44

Finding the Fourth Proportional to 60,590.32, 90,927 and 21,147.44

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Solution

The fourth proportional to 60,590.32, 90,927 and 21,147.44 is: 31,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,590.32 : 90,927 = 21,147.44 : x
  2. Step 2: Convert to fraction form
    60,590.32/90,927 = 21,147.44/x
  3. Step 3: Cross multiply
    60,590.32x = 90,927 × 21,147.44
  4. Step 4: Simplify right side
    60,590.32x = 1,922,873,163.22
  5. Step 5: Solve for x
    x = 1,922,873,163.22/60,590.32
  6. Step 6: Final answer
    x = 31,735.65

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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.