Home / 115,091.63-158,834.44-69,771.52

Finding the Fourth Proportional to 115,091.63, 158,834.44 and 69,771.52

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Solution

The fourth proportional to 115,091.63, 158,834.44 and 69,771.52 is: 96,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,091.63 : 158,834.44 = 69,771.52 : x
  2. Step 2: Convert to fraction form
    115,091.63/158,834.44 = 69,771.52/x
  3. Step 3: Cross multiply
    115,091.63x = 158,834.44 × 69,771.52
  4. Step 4: Simplify right side
    115,091.63x = 11,082,120,498.26
  5. Step 5: Solve for x
    x = 11,082,120,498.26/115,091.63
  6. Step 6: Final answer
    x = 96,289.54

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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.