Home / 103,241.49-154,847.64-50,636.85

Finding the Fourth Proportional to 103,241.49, 154,847.64 and 50,636.85

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Solution

The fourth proportional to 103,241.49, 154,847.64 and 50,636.85 is: 75,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,241.49 : 154,847.64 = 50,636.85 : x
  2. Step 2: Convert to fraction form
    103,241.49/154,847.64 = 50,636.85/x
  3. Step 3: Cross multiply
    103,241.49x = 154,847.64 × 50,636.85
  4. Step 4: Simplify right side
    103,241.49x = 7,840,996,719.53
  5. Step 5: Solve for x
    x = 7,840,996,719.53/103,241.49
  6. Step 6: Final answer
    x = 75,948.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.