Home / 74,049.24-102,190.14-40,515.24

Finding the Fourth Proportional to 74,049.24, 102,190.14 and 40,515.24

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Solution

The fourth proportional to 74,049.24, 102,190.14 and 40,515.24 is: 55,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,049.24 : 102,190.14 = 40,515.24 : x
  2. Step 2: Convert to fraction form
    74,049.24/102,190.14 = 40,515.24/x
  3. Step 3: Cross multiply
    74,049.24x = 102,190.14 × 40,515.24
  4. Step 4: Simplify right side
    74,049.24x = 4,140,258,047.73
  5. Step 5: Solve for x
    x = 4,140,258,047.73/74,049.24
  6. Step 6: Final answer
    x = 55,912.23

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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.