Home / 116,431.82-174,651.83-45,359.78

Finding the Fourth Proportional to 116,431.82, 174,651.83 and 45,359.78

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Solution

The fourth proportional to 116,431.82, 174,651.83 and 45,359.78 is: 68,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,431.82 : 174,651.83 = 45,359.78 : x
  2. Step 2: Convert to fraction form
    116,431.82/174,651.83 = 45,359.78/x
  3. Step 3: Cross multiply
    116,431.82x = 174,651.83 × 45,359.78
  4. Step 4: Simplify right side
    116,431.82x = 7,922,168,585.40
  5. Step 5: Solve for x
    x = 7,922,168,585.40/116,431.82
  6. Step 6: Final answer
    x = 68,041.27

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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.