Home / 74,613.12-102,974.88-41,912.92

Finding the Fourth Proportional to 74,613.12, 102,974.88 and 41,912.92

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Solution

The fourth proportional to 74,613.12, 102,974.88 and 41,912.92 is: 57,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,613.12 : 102,974.88 = 41,912.92 : x
  2. Step 2: Convert to fraction form
    74,613.12/102,974.88 = 41,912.92/x
  3. Step 3: Cross multiply
    74,613.12x = 102,974.88 × 41,912.92
  4. Step 4: Simplify right side
    74,613.12x = 4,315,977,907.45
  5. Step 5: Solve for x
    x = 4,315,977,907.45/74,613.12
  6. Step 6: Final answer
    x = 57,844.76

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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.