Home / 69,966.37-96,556.22-39,756.84

Finding the Fourth Proportional to 69,966.37, 96,556.22 and 39,756.84

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Solution

The fourth proportional to 69,966.37, 96,556.22 and 39,756.84 is: 54,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,966.37 : 96,556.22 = 39,756.84 : x
  2. Step 2: Convert to fraction form
    69,966.37/96,556.22 = 39,756.84/x
  3. Step 3: Cross multiply
    69,966.37x = 96,556.22 × 39,756.84
  4. Step 4: Simplify right side
    69,966.37x = 3,838,770,189.54
  5. Step 5: Solve for x
    x = 3,838,770,189.54/69,966.37
  6. Step 6: Final answer
    x = 54,865.93

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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.