Home / 84,245.78-116,265.30-48,447.02

Finding the Fourth Proportional to 84,245.78, 116,265.30 and 48,447.02

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Solution

The fourth proportional to 84,245.78, 116,265.30 and 48,447.02 is: 66,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,245.78 : 116,265.30 = 48,447.02 : x
  2. Step 2: Convert to fraction form
    84,245.78/116,265.30 = 48,447.02/x
  3. Step 3: Cross multiply
    84,245.78x = 116,265.30 × 48,447.02
  4. Step 4: Simplify right side
    84,245.78x = 5,632,707,314.41
  5. Step 5: Solve for x
    x = 5,632,707,314.41/84,245.78
  6. Step 6: Final answer
    x = 66,860.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.