Home / 103,515.41-155,305.92-36,954.06

Finding the Fourth Proportional to 103,515.41, 155,305.92 and 36,954.06

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Solution

The fourth proportional to 103,515.41, 155,305.92 and 36,954.06 is: 55,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,515.41 : 155,305.92 = 36,954.06 : x
  2. Step 2: Convert to fraction form
    103,515.41/155,305.92 = 36,954.06/x
  3. Step 3: Cross multiply
    103,515.41x = 155,305.92 × 36,954.06
  4. Step 4: Simplify right side
    103,515.41x = 5,739,184,286.04
  5. Step 5: Solve for x
    x = 5,739,184,286.04/103,515.41
  6. Step 6: Final answer
    x = 55,442.80

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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.