Home / 103,685.26-155,527.62-41,399.50

Finding the Fourth Proportional to 103,685.26, 155,527.62 and 41,399.50

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Solution

The fourth proportional to 103,685.26, 155,527.62 and 41,399.50 is: 62,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,685.26 : 155,527.62 = 41,399.50 : x
  2. Step 2: Convert to fraction form
    103,685.26/155,527.62 = 41,399.50/x
  3. Step 3: Cross multiply
    103,685.26x = 155,527.62 × 41,399.50
  4. Step 4: Simplify right side
    103,685.26x = 6,438,765,704.19
  5. Step 5: Solve for x
    x = 6,438,765,704.19/103,685.26
  6. Step 6: Final answer
    x = 62,099.14

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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.