Home / 76,771.53-115,190.76-26,887.41

Finding the Fourth Proportional to 76,771.53, 115,190.76 and 26,887.41

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Solution

The fourth proportional to 76,771.53, 115,190.76 and 26,887.41 is: 40,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,771.53 : 115,190.76 = 26,887.41 : x
  2. Step 2: Convert to fraction form
    76,771.53/115,190.76 = 26,887.41/x
  3. Step 3: Cross multiply
    76,771.53x = 115,190.76 × 26,887.41
  4. Step 4: Simplify right side
    76,771.53x = 3,097,181,192.33
  5. Step 5: Solve for x
    x = 3,097,181,192.33/76,771.53
  6. Step 6: Final answer
    x = 40,342.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.