Home / 44,145.60-66,218.40-43,270.80

Finding the Fourth Proportional to 44,145.60, 66,218.40 and 43,270.80

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Solution

The fourth proportional to 44,145.60, 66,218.40 and 43,270.80 is: 64,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,145.60 : 66,218.40 = 43,270.80 : x
  2. Step 2: Convert to fraction form
    44,145.60/66,218.40 = 43,270.80/x
  3. Step 3: Cross multiply
    44,145.60x = 66,218.40 × 43,270.80
  4. Step 4: Simplify right side
    44,145.60x = 2,865,323,142.72
  5. Step 5: Solve for x
    x = 2,865,323,142.72/44,145.60
  6. Step 6: Final answer
    x = 64,906.20

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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.