Home / 86,189.02-118,940.06-48,463.54

Finding the Fourth Proportional to 86,189.02, 118,940.06 and 48,463.54

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Solution

The fourth proportional to 86,189.02, 118,940.06 and 48,463.54 is: 66,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,189.02 : 118,940.06 = 48,463.54 : x
  2. Step 2: Convert to fraction form
    86,189.02/118,940.06 = 48,463.54/x
  3. Step 3: Cross multiply
    86,189.02x = 118,940.06 × 48,463.54
  4. Step 4: Simplify right side
    86,189.02x = 5,764,256,355.41
  5. Step 5: Solve for x
    x = 5,764,256,355.41/86,189.02
  6. Step 6: Final answer
    x = 66,879.24

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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.