Home / 84,945.80-117,222.72-46,705.31

Finding the Fourth Proportional to 84,945.80, 117,222.72 and 46,705.31

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Solution

The fourth proportional to 84,945.80, 117,222.72 and 46,705.31 is: 64,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.80 : 117,222.72 = 46,705.31 : x
  2. Step 2: Convert to fraction form
    84,945.80/117,222.72 = 46,705.31/x
  3. Step 3: Cross multiply
    84,945.80x = 117,222.72 × 46,705.31
  4. Step 4: Simplify right side
    84,945.80x = 5,474,922,657.00
  5. Step 5: Solve for x
    x = 5,474,922,657.00/84,945.80
  6. Step 6: Final answer
    x = 64,451.96

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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.