Home / 84,778.06-117,004.08-48,968.03

Finding the Fourth Proportional to 84,778.06, 117,004.08 and 48,968.03

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Solution

The fourth proportional to 84,778.06, 117,004.08 and 48,968.03 is: 67,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,778.06 : 117,004.08 = 48,968.03 : x
  2. Step 2: Convert to fraction form
    84,778.06/117,004.08 = 48,968.03/x
  3. Step 3: Cross multiply
    84,778.06x = 117,004.08 × 48,968.03
  4. Step 4: Simplify right side
    84,778.06x = 5,729,459,299.56
  5. Step 5: Solve for x
    x = 5,729,459,299.56/84,778.06
  6. Step 6: Final answer
    x = 67,581.86

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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.