Home / 84,556.71-116,563.46-66,616.02

Finding the Fourth Proportional to 84,556.71, 116,563.46 and 66,616.02

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Solution

The fourth proportional to 84,556.71, 116,563.46 and 66,616.02 is: 91,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,556.71 : 116,563.46 = 66,616.02 : x
  2. Step 2: Convert to fraction form
    84,556.71/116,563.46 = 66,616.02/x
  3. Step 3: Cross multiply
    84,556.71x = 116,563.46 × 66,616.02
  4. Step 4: Simplify right side
    84,556.71x = 7,764,993,449.55
  5. Step 5: Solve for x
    x = 7,764,993,449.55/84,556.71
  6. Step 6: Final answer
    x = 91,831.78

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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.