Home / 84,942.06-117,220.80-46,179.96

Finding the Fourth Proportional to 84,942.06, 117,220.80 and 46,179.96

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Solution

The fourth proportional to 84,942.06, 117,220.80 and 46,179.96 is: 63,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.06 : 117,220.80 = 46,179.96 : x
  2. Step 2: Convert to fraction form
    84,942.06/117,220.80 = 46,179.96/x
  3. Step 3: Cross multiply
    84,942.06x = 117,220.80 × 46,179.96
  4. Step 4: Simplify right side
    84,942.06x = 5,413,251,855.17
  5. Step 5: Solve for x
    x = 5,413,251,855.17/84,942.06
  6. Step 6: Final answer
    x = 63,728.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.