Home / 86,949.54-119,982.87-50,645.34

Finding the Fourth Proportional to 86,949.54, 119,982.87 and 50,645.34

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Solution

The fourth proportional to 86,949.54, 119,982.87 and 50,645.34 is: 69,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,949.54 : 119,982.87 = 50,645.34 : x
  2. Step 2: Convert to fraction form
    86,949.54/119,982.87 = 50,645.34/x
  3. Step 3: Cross multiply
    86,949.54x = 119,982.87 × 50,645.34
  4. Step 4: Simplify right side
    86,949.54x = 6,076,573,245.33
  5. Step 5: Solve for x
    x = 6,076,573,245.33/86,949.54
  6. Step 6: Final answer
    x = 69,886.20

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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.