Home / 55,701.45-83,579.78-26,121.57

Finding the Fourth Proportional to 55,701.45, 83,579.78 and 26,121.57

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Solution

The fourth proportional to 55,701.45, 83,579.78 and 26,121.57 is: 39,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.45 : 83,579.78 = 26,121.57 : x
  2. Step 2: Convert to fraction form
    55,701.45/83,579.78 = 26,121.57/x
  3. Step 3: Cross multiply
    55,701.45x = 83,579.78 × 26,121.57
  4. Step 4: Simplify right side
    55,701.45x = 2,183,234,943.25
  5. Step 5: Solve for x
    x = 2,183,234,943.25/55,701.45
  6. Step 6: Final answer
    x = 39,195.30

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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.