Home / 103,241-154,756.92-69,964.44

Finding the Fourth Proportional to 103,241, 154,756.92 and 69,964.44

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Solution

The fourth proportional to 103,241, 154,756.92 and 69,964.44 is: 104,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,241 : 154,756.92 = 69,964.44 : x
  2. Step 2: Convert to fraction form
    103,241/154,756.92 = 69,964.44/x
  3. Step 3: Cross multiply
    103,241x = 154,756.92 × 69,964.44
  4. Step 4: Simplify right side
    103,241x = 10,827,481,243.92
  5. Step 5: Solve for x
    x = 10,827,481,243.92/103,241
  6. Step 6: Final answer
    x = 104,875.79

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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.