Home / 85,181.44-117,550.56-47,457.04

Finding the Fourth Proportional to 85,181.44, 117,550.56 and 47,457.04

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Solution

The fourth proportional to 85,181.44, 117,550.56 and 47,457.04 is: 65,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.44 : 117,550.56 = 47,457.04 : x
  2. Step 2: Convert to fraction form
    85,181.44/117,550.56 = 47,457.04/x
  3. Step 3: Cross multiply
    85,181.44x = 117,550.56 × 47,457.04
  4. Step 4: Simplify right side
    85,181.44x = 5,578,601,627.94
  5. Step 5: Solve for x
    x = 5,578,601,627.94/85,181.44
  6. Step 6: Final answer
    x = 65,490.81

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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.