Home / 53,850.86-80,600.20-39,615.53

Finding the Fourth Proportional to 53,850.86, 80,600.20 and 39,615.53

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Solution

The fourth proportional to 53,850.86, 80,600.20 and 39,615.53 is: 59,293.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.86 : 80,600.20 = 39,615.53 : x
  2. Step 2: Convert to fraction form
    53,850.86/80,600.20 = 39,615.53/x
  3. Step 3: Cross multiply
    53,850.86x = 80,600.20 × 39,615.53
  4. Step 4: Simplify right side
    53,850.86x = 3,193,019,592.44
  5. Step 5: Solve for x
    x = 3,193,019,592.44/53,850.86
  6. Step 6: Final answer
    x = 59,293.75

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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.