Home / 74,619.50-102,941.62-50,412.67

Finding the Fourth Proportional to 74,619.50, 102,941.62 and 50,412.67

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Solution

The fourth proportional to 74,619.50, 102,941.62 and 50,412.67 is: 69,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,619.50 : 102,941.62 = 50,412.67 : x
  2. Step 2: Convert to fraction form
    74,619.50/102,941.62 = 50,412.67/x
  3. Step 3: Cross multiply
    74,619.50x = 102,941.62 × 50,412.67
  4. Step 4: Simplify right side
    74,619.50x = 5,189,561,534.94
  5. Step 5: Solve for x
    x = 5,189,561,534.94/74,619.50
  6. Step 6: Final answer
    x = 69,546.99

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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.