Home / 86,190.06-118,941.94-50,372.86

Finding the Fourth Proportional to 86,190.06, 118,941.94 and 50,372.86

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Solution

The fourth proportional to 86,190.06, 118,941.94 and 50,372.86 is: 69,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,190.06 : 118,941.94 = 50,372.86 : x
  2. Step 2: Convert to fraction form
    86,190.06/118,941.94 = 50,372.86/x
  3. Step 3: Cross multiply
    86,190.06x = 118,941.94 × 50,372.86
  4. Step 4: Simplify right side
    86,190.06x = 5,991,445,691.75
  5. Step 5: Solve for x
    x = 5,991,445,691.75/86,190.06
  6. Step 6: Final answer
    x = 69,514.35

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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.