Home / 55,029.93-75,941.60-29,879.43

Finding the Fourth Proportional to 55,029.93, 75,941.60 and 29,879.43

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Solution

The fourth proportional to 55,029.93, 75,941.60 and 29,879.43 is: 41,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,029.93 : 75,941.60 = 29,879.43 : x
  2. Step 2: Convert to fraction form
    55,029.93/75,941.60 = 29,879.43/x
  3. Step 3: Cross multiply
    55,029.93x = 75,941.60 × 29,879.43
  4. Step 4: Simplify right side
    55,029.93x = 2,269,091,795.99
  5. Step 5: Solve for x
    x = 2,269,091,795.99/55,029.93
  6. Step 6: Final answer
    x = 41,233.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.