Home / 86,375.42-119,157.34-50,543.25

Finding the Fourth Proportional to 86,375.42, 119,157.34 and 50,543.25

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Solution

The fourth proportional to 86,375.42, 119,157.34 and 50,543.25 is: 69,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,375.42 : 119,157.34 = 50,543.25 : x
  2. Step 2: Convert to fraction form
    86,375.42/119,157.34 = 50,543.25/x
  3. Step 3: Cross multiply
    86,375.42x = 119,157.34 × 50,543.25
  4. Step 4: Simplify right side
    86,375.42x = 6,022,599,193.37
  5. Step 5: Solve for x
    x = 6,022,599,193.37/86,375.42
  6. Step 6: Final answer
    x = 69,725.84

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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.