Home / 71,081.02-106,650.53-45,793.75

Finding the Fourth Proportional to 71,081.02, 106,650.53 and 45,793.75

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Solution

The fourth proportional to 71,081.02, 106,650.53 and 45,793.75 is: 68,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,081.02 : 106,650.53 = 45,793.75 : x
  2. Step 2: Convert to fraction form
    71,081.02/106,650.53 = 45,793.75/x
  3. Step 3: Cross multiply
    71,081.02x = 106,650.53 × 45,793.75
  4. Step 4: Simplify right side
    71,081.02x = 4,883,927,556.05
  5. Step 5: Solve for x
    x = 4,883,927,556.05/71,081.02
  6. Step 6: Final answer
    x = 68,709.30

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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.