Home / 74,629.42-102,968.22-51,942.94

Finding the Fourth Proportional to 74,629.42, 102,968.22 and 51,942.94

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Solution

The fourth proportional to 74,629.42, 102,968.22 and 51,942.94 is: 71,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,629.42 : 102,968.22 = 51,942.94 : x
  2. Step 2: Convert to fraction form
    74,629.42/102,968.22 = 51,942.94/x
  3. Step 3: Cross multiply
    74,629.42x = 102,968.22 × 51,942.94
  4. Step 4: Simplify right side
    74,629.42x = 5,348,472,073.37
  5. Step 5: Solve for x
    x = 5,348,472,073.37/74,629.42
  6. Step 6: Final answer
    x = 71,667.07

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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.