Home / 86,191.06-118,943.32-50,373.86

Finding the Fourth Proportional to 86,191.06, 118,943.32 and 50,373.86

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Solution

The fourth proportional to 86,191.06, 118,943.32 and 50,373.86 is: 69,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,191.06 : 118,943.32 = 50,373.86 : x
  2. Step 2: Convert to fraction form
    86,191.06/118,943.32 = 50,373.86/x
  3. Step 3: Cross multiply
    86,191.06x = 118,943.32 × 50,373.86
  4. Step 4: Simplify right side
    86,191.06x = 5,991,634,149.62
  5. Step 5: Solve for x
    x = 5,991,634,149.62/86,191.06
  6. Step 6: Final answer
    x = 69,515.73

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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.