Home / 96,389.20-144,540.60-43,771.60

Finding the Fourth Proportional to 96,389.20, 144,540.60 and 43,771.60

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Solution

The fourth proportional to 96,389.20, 144,540.60 and 43,771.60 is: 65,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,389.20 : 144,540.60 = 43,771.60 : x
  2. Step 2: Convert to fraction form
    96,389.20/144,540.60 = 43,771.60/x
  3. Step 3: Cross multiply
    96,389.20x = 144,540.60 × 43,771.60
  4. Step 4: Simplify right side
    96,389.20x = 6,326,773,326.96
  5. Step 5: Solve for x
    x = 6,326,773,326.96/96,389.20
  6. Step 6: Final answer
    x = 65,637.78

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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.