Home / 45,661.20-68,458.64-30,833.36

Finding the Fourth Proportional to 45,661.20, 68,458.64 and 30,833.36

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Solution

The fourth proportional to 45,661.20, 68,458.64 and 30,833.36 is: 46,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.20 : 68,458.64 = 30,833.36 : x
  2. Step 2: Convert to fraction form
    45,661.20/68,458.64 = 30,833.36/x
  3. Step 3: Cross multiply
    45,661.20x = 68,458.64 × 30,833.36
  4. Step 4: Simplify right side
    45,661.20x = 2,110,809,892.23
  5. Step 5: Solve for x
    x = 2,110,809,892.23/45,661.20
  6. Step 6: Final answer
    x = 46,227.65

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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.