Home / 55,029.50-75,942.33-29,880.62

Finding the Fourth Proportional to 55,029.50, 75,942.33 and 29,880.62

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Solution

The fourth proportional to 55,029.50, 75,942.33 and 29,880.62 is: 41,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,029.50 : 75,942.33 = 29,880.62 : x
  2. Step 2: Convert to fraction form
    55,029.50/75,942.33 = 29,880.62/x
  3. Step 3: Cross multiply
    55,029.50x = 75,942.33 × 29,880.62
  4. Step 4: Simplify right side
    55,029.50x = 2,269,203,904.64
  5. Step 5: Solve for x
    x = 2,269,203,904.64/55,029.50
  6. Step 6: Final answer
    x = 41,236.14

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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.