Home / 118,620.36-177,990.88-52,043.24

Finding the Fourth Proportional to 118,620.36, 177,990.88 and 52,043.24

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Solution

The fourth proportional to 118,620.36, 177,990.88 and 52,043.24 is: 78,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,620.36 : 177,990.88 = 52,043.24 : x
  2. Step 2: Convert to fraction form
    118,620.36/177,990.88 = 52,043.24/x
  3. Step 3: Cross multiply
    118,620.36x = 177,990.88 × 52,043.24
  4. Step 4: Simplify right side
    118,620.36x = 9,263,222,085.65
  5. Step 5: Solve for x
    x = 9,263,222,085.65/118,620.36
  6. Step 6: Final answer
    x = 78,091.33

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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.