Home / 76,115.13-114,160.28-25,536.54

Finding the Fourth Proportional to 76,115.13, 114,160.28 and 25,536.54

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Solution

The fourth proportional to 76,115.13, 114,160.28 and 25,536.54 is: 38,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,115.13 : 114,160.28 = 25,536.54 : x
  2. Step 2: Convert to fraction form
    76,115.13/114,160.28 = 25,536.54/x
  3. Step 3: Cross multiply
    76,115.13x = 114,160.28 × 25,536.54
  4. Step 4: Simplify right side
    76,115.13x = 2,915,258,556.63
  5. Step 5: Solve for x
    x = 2,915,258,556.63/76,115.13
  6. Step 6: Final answer
    x = 38,300.64

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1.5x scale

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.