Home / 86,181.45-118,944.63-50,364.47

Finding the Fourth Proportional to 86,181.45, 118,944.63 and 50,364.47

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Solution

The fourth proportional to 86,181.45, 118,944.63 and 50,364.47 is: 69,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,181.45 : 118,944.63 = 50,364.47 : x
  2. Step 2: Convert to fraction form
    86,181.45/118,944.63 = 50,364.47/x
  3. Step 3: Cross multiply
    86,181.45x = 118,944.63 × 50,364.47
  4. Step 4: Simplify right side
    86,181.45x = 5,990,582,654.57
  5. Step 5: Solve for x
    x = 5,990,582,654.57/86,181.45
  6. Step 6: Final answer
    x = 69,511.28

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1.5x scale

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.