Home / 103,489.14-155,103.86-44,255.16

Finding the Fourth Proportional to 103,489.14, 155,103.86 and 44,255.16

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Solution

The fourth proportional to 103,489.14, 155,103.86 and 44,255.16 is: 66,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,489.14 : 155,103.86 = 44,255.16 : x
  2. Step 2: Convert to fraction form
    103,489.14/155,103.86 = 44,255.16/x
  3. Step 3: Cross multiply
    103,489.14x = 155,103.86 × 44,255.16
  4. Step 4: Simplify right side
    103,489.14x = 6,864,145,919.64
  5. Step 5: Solve for x
    x = 6,864,145,919.64/103,489.14
  6. Step 6: Final answer
    x = 66,327.21

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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.