Home / 86,388.20-119,174.96-50,556.04

Finding the Fourth Proportional to 86,388.20, 119,174.96 and 50,556.04

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Solution

The fourth proportional to 86,388.20, 119,174.96 and 50,556.04 is: 69,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,388.20 : 119,174.96 = 50,556.04 : x
  2. Step 2: Convert to fraction form
    86,388.20/119,174.96 = 50,556.04/x
  3. Step 3: Cross multiply
    86,388.20x = 119,174.96 × 50,556.04
  4. Step 4: Simplify right side
    86,388.20x = 6,025,014,044.76
  5. Step 5: Solve for x
    x = 6,025,014,044.76/86,388.20
  6. Step 6: Final answer
    x = 69,743.48

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1.5x scale

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.