Home / 86,157.35-118,879.70-50,340.44

Finding the Fourth Proportional to 86,157.35, 118,879.70 and 50,340.44

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Solution

The fourth proportional to 86,157.35, 118,879.70 and 50,340.44 is: 69,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,157.35 : 118,879.70 = 50,340.44 : x
  2. Step 2: Convert to fraction form
    86,157.35/118,879.70 = 50,340.44/x
  3. Step 3: Cross multiply
    86,157.35x = 118,879.70 × 50,340.44
  4. Step 4: Simplify right side
    86,157.35x = 5,984,455,558.97
  5. Step 5: Solve for x
    x = 5,984,455,558.97/86,157.35
  6. Step 6: Final answer
    x = 69,459.61

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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.