Home / 74,631.89-102,958.70-50,425.04

Finding the Fourth Proportional to 74,631.89, 102,958.70 and 50,425.04

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Solution

The fourth proportional to 74,631.89, 102,958.70 and 50,425.04 is: 69,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,631.89 : 102,958.70 = 50,425.04 : x
  2. Step 2: Convert to fraction form
    74,631.89/102,958.70 = 50,425.04/x
  3. Step 3: Cross multiply
    74,631.89x = 102,958.70 × 50,425.04
  4. Step 4: Simplify right side
    74,631.89x = 5,191,696,571.12
  5. Step 5: Solve for x
    x = 5,191,696,571.12/74,631.89
  6. Step 6: Final answer
    x = 69,564.05

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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.