Home / 103,690.41-155,560.31-33,569.72

Finding the Fourth Proportional to 103,690.41, 155,560.31 and 33,569.72

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Solution

The fourth proportional to 103,690.41, 155,560.31 and 33,569.72 is: 50,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690.41 : 155,560.31 = 33,569.72 : x
  2. Step 2: Convert to fraction form
    103,690.41/155,560.31 = 33,569.72/x
  3. Step 3: Cross multiply
    103,690.41x = 155,560.31 × 33,569.72
  4. Step 4: Simplify right side
    103,690.41x = 5,222,116,049.81
  5. Step 5: Solve for x
    x = 5,222,116,049.81/103,690.41
  6. Step 6: Final answer
    x = 50,362.57

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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.