Home / 103,684.05-155,487.20-44,489.25

Finding the Fourth Proportional to 103,684.05, 155,487.20 and 44,489.25

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Solution

The fourth proportional to 103,684.05, 155,487.20 and 44,489.25 is: 66,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684.05 : 155,487.20 = 44,489.25 : x
  2. Step 2: Convert to fraction form
    103,684.05/155,487.20 = 44,489.25/x
  3. Step 3: Cross multiply
    103,684.05x = 155,487.20 × 44,489.25
  4. Step 4: Simplify right side
    103,684.05x = 6,917,508,690.15
  5. Step 5: Solve for x
    x = 6,917,508,690.15/103,684.05
  6. Step 6: Final answer
    x = 66,717.19

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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.