Home / 44,143.20-66,171.60-17,812.80

Finding the Fourth Proportional to 44,143.20, 66,171.60 and 17,812.80

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Solution

The fourth proportional to 44,143.20, 66,171.60 and 17,812.80 is: 26,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,143.20 : 66,171.60 = 17,812.80 : x
  2. Step 2: Convert to fraction form
    44,143.20/66,171.60 = 17,812.80/x
  3. Step 3: Cross multiply
    44,143.20x = 66,171.60 × 17,812.80
  4. Step 4: Simplify right side
    44,143.20x = 1,178,701,476.48
  5. Step 5: Solve for x
    x = 1,178,701,476.48/44,143.20
  6. Step 6: Final answer
    x = 26,701.77

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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.