Home / 117,542.43-176,313.69-42,662.42

Finding the Fourth Proportional to 117,542.43, 176,313.69 and 42,662.42

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Solution

The fourth proportional to 117,542.43, 176,313.69 and 42,662.42 is: 63,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,542.43 : 176,313.69 = 42,662.42 : x
  2. Step 2: Convert to fraction form
    117,542.43/176,313.69 = 42,662.42/x
  3. Step 3: Cross multiply
    117,542.43x = 176,313.69 × 42,662.42
  4. Step 4: Simplify right side
    117,542.43x = 7,521,968,694.53
  5. Step 5: Solve for x
    x = 7,521,968,694.53/117,542.43
  6. Step 6: Final answer
    x = 63,993.65

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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.