Home / 43,845.60-65,768.40-25,118.40

Finding the Fourth Proportional to 43,845.60, 65,768.40 and 25,118.40

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Solution

The fourth proportional to 43,845.60, 65,768.40 and 25,118.40 is: 37,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,845.60 : 65,768.40 = 25,118.40 : x
  2. Step 2: Convert to fraction form
    43,845.60/65,768.40 = 25,118.40/x
  3. Step 3: Cross multiply
    43,845.60x = 65,768.40 × 25,118.40
  4. Step 4: Simplify right side
    43,845.60x = 1,651,996,978.56
  5. Step 5: Solve for x
    x = 1,651,996,978.56/43,845.60
  6. Step 6: Final answer
    x = 37,677.60

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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.