Home / 86,922.45-130,358.57-39,511.13

Finding the Fourth Proportional to 86,922.45, 130,358.57 and 39,511.13

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Solution

The fourth proportional to 86,922.45, 130,358.57 and 39,511.13 is: 59,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.45 : 130,358.57 = 39,511.13 : x
  2. Step 2: Convert to fraction form
    86,922.45/130,358.57 = 39,511.13/x
  3. Step 3: Cross multiply
    86,922.45x = 130,358.57 × 39,511.13
  4. Step 4: Simplify right side
    86,922.45x = 5,150,613,556.54
  5. Step 5: Solve for x
    x = 5,150,613,556.54/86,922.45
  6. Step 6: Final answer
    x = 59,255.27

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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.