Home / 49,869.82-74,629.14-31,158.64

Finding the Fourth Proportional to 49,869.82, 74,629.14 and 31,158.64

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Solution

The fourth proportional to 49,869.82, 74,629.14 and 31,158.64 is: 46,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.82 : 74,629.14 = 31,158.64 : x
  2. Step 2: Convert to fraction form
    49,869.82/74,629.14 = 31,158.64/x
  3. Step 3: Cross multiply
    49,869.82x = 74,629.14 × 31,158.64
  4. Step 4: Simplify right side
    49,869.82x = 2,325,342,506.77
  5. Step 5: Solve for x
    x = 2,325,342,506.77/49,869.82
  6. Step 6: Final answer
    x = 46,628.25

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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.