Home / 49,485.20-74,175.96-31,992.08

Finding the Fourth Proportional to 49,485.20, 74,175.96 and 31,992.08

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Solution

The fourth proportional to 49,485.20, 74,175.96 and 31,992.08 is: 47,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485.20 : 74,175.96 = 31,992.08 : x
  2. Step 2: Convert to fraction form
    49,485.20/74,175.96 = 31,992.08/x
  3. Step 3: Cross multiply
    49,485.20x = 74,175.96 × 31,992.08
  4. Step 4: Simplify right side
    49,485.20x = 2,373,043,246.40
  5. Step 5: Solve for x
    x = 2,373,043,246.40/49,485.20
  6. Step 6: Final answer
    x = 47,954.61

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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.