Home / 86,236.41-118,999.20-47,993.07

Finding the Fourth Proportional to 86,236.41, 118,999.20 and 47,993.07

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Solution

The fourth proportional to 86,236.41, 118,999.20 and 47,993.07 is: 66,226.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,236.41 : 118,999.20 = 47,993.07 : x
  2. Step 2: Convert to fraction form
    86,236.41/118,999.20 = 47,993.07/x
  3. Step 3: Cross multiply
    86,236.41x = 118,999.20 × 47,993.07
  4. Step 4: Simplify right side
    86,236.41x = 5,711,136,935.54
  5. Step 5: Solve for x
    x = 5,711,136,935.54/86,236.41
  6. Step 6: Final answer
    x = 66,226.52

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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.