Home / 76,816.44-115,276.50-26,896.86

Finding the Fourth Proportional to 76,816.44, 115,276.50 and 26,896.86

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Solution

The fourth proportional to 76,816.44, 115,276.50 and 26,896.86 is: 40,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,816.44 : 115,276.50 = 26,896.86 : x
  2. Step 2: Convert to fraction form
    76,816.44/115,276.50 = 26,896.86/x
  3. Step 3: Cross multiply
    76,816.44x = 115,276.50 × 26,896.86
  4. Step 4: Simplify right side
    76,816.44x = 3,100,575,881.79
  5. Step 5: Solve for x
    x = 3,100,575,881.79/76,816.44
  6. Step 6: Final answer
    x = 40,363.44

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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.