Home / 57,185.15-78,945.38-44,409.67

Finding the Fourth Proportional to 57,185.15, 78,945.38 and 44,409.67

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Solution

The fourth proportional to 57,185.15, 78,945.38 and 44,409.67 is: 61,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,185.15 : 78,945.38 = 44,409.67 : x
  2. Step 2: Convert to fraction form
    57,185.15/78,945.38 = 44,409.67/x
  3. Step 3: Cross multiply
    57,185.15x = 78,945.38 × 44,409.67
  4. Step 4: Simplify right side
    57,185.15x = 3,505,938,273.82
  5. Step 5: Solve for x
    x = 3,505,938,273.82/57,185.15
  6. Step 6: Final answer
    x = 61,308.54

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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.