Home / 83,736.64-115,556.80-46,012.80

Finding the Fourth Proportional to 83,736.64, 115,556.80 and 46,012.80

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Solution

The fourth proportional to 83,736.64, 115,556.80 and 46,012.80 is: 63,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.64 : 115,556.80 = 46,012.80 : x
  2. Step 2: Convert to fraction form
    83,736.64/115,556.80 = 46,012.80/x
  3. Step 3: Cross multiply
    83,736.64x = 115,556.80 × 46,012.80
  4. Step 4: Simplify right side
    83,736.64x = 5,317,091,927.04
  5. Step 5: Solve for x
    x = 5,317,091,927.04/83,736.64
  6. Step 6: Final answer
    x = 63,497.79

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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.