Home / 74,111.36-111,277.75-73,004.19

Finding the Fourth Proportional to 74,111.36, 111,277.75 and 73,004.19

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Solution

The fourth proportional to 74,111.36, 111,277.75 and 73,004.19 is: 109,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,111.36 : 111,277.75 = 73,004.19 : x
  2. Step 2: Convert to fraction form
    74,111.36/111,277.75 = 73,004.19/x
  3. Step 3: Cross multiply
    74,111.36x = 111,277.75 × 73,004.19
  4. Step 4: Simplify right side
    74,111.36x = 8,123,741,540.85
  5. Step 5: Solve for x
    x = 8,123,741,540.85/74,111.36
  6. Step 6: Final answer
    x = 109,615.34

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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.