Home / 57,085.30-78,778.44-35,583.73

Finding the Fourth Proportional to 57,085.30, 78,778.44 and 35,583.73

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Solution

The fourth proportional to 57,085.30, 78,778.44 and 35,583.73 is: 49,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,085.30 : 78,778.44 = 35,583.73 : x
  2. Step 2: Convert to fraction form
    57,085.30/78,778.44 = 35,583.73/x
  3. Step 3: Cross multiply
    57,085.30x = 78,778.44 × 35,583.73
  4. Step 4: Simplify right side
    57,085.30x = 2,803,230,738.78
  5. Step 5: Solve for x
    x = 2,803,230,738.78/57,085.30
  6. Step 6: Final answer
    x = 49,106.00

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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.