Home / 104,993.10-144,887.86-57,247.38

Finding the Fourth Proportional to 104,993.10, 144,887.86 and 57,247.38

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Solution

The fourth proportional to 104,993.10, 144,887.86 and 57,247.38 is: 78,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,993.10 : 144,887.86 = 57,247.38 : x
  2. Step 2: Convert to fraction form
    104,993.10/144,887.86 = 57,247.38/x
  3. Step 3: Cross multiply
    104,993.10x = 144,887.86 × 57,247.38
  4. Step 4: Simplify right side
    104,993.10x = 8,294,450,378.81
  5. Step 5: Solve for x
    x = 8,294,450,378.81/104,993.10
  6. Step 6: Final answer
    x = 78,999.96

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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.