Home / 74,043.06-102,195.82-51,105.08

Finding the Fourth Proportional to 74,043.06, 102,195.82 and 51,105.08

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Solution

The fourth proportional to 74,043.06, 102,195.82 and 51,105.08 is: 70,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,043.06 : 102,195.82 = 51,105.08 : x
  2. Step 2: Convert to fraction form
    74,043.06/102,195.82 = 51,105.08/x
  3. Step 3: Cross multiply
    74,043.06x = 102,195.82 × 51,105.08
  4. Step 4: Simplify right side
    74,043.06x = 5,222,725,556.77
  5. Step 5: Solve for x
    x = 5,222,725,556.77/74,043.06
  6. Step 6: Final answer
    x = 70,536.33

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1.5x scale

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.