Home / 116,955.92-161,387.76-65,976.68

Finding the Fourth Proportional to 116,955.92, 161,387.76 and 65,976.68

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Solution

The fourth proportional to 116,955.92, 161,387.76 and 65,976.68 is: 91,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,955.92 : 161,387.76 = 65,976.68 : x
  2. Step 2: Convert to fraction form
    116,955.92/161,387.76 = 65,976.68/x
  3. Step 3: Cross multiply
    116,955.92x = 161,387.76 × 65,976.68
  4. Step 4: Simplify right side
    116,955.92x = 10,647,828,597.44
  5. Step 5: Solve for x
    x = 10,647,828,597.44/116,955.92
  6. Step 6: Final answer
    x = 91,041.38

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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.