Home / 50,720.22-69,992.64-28,060.48

Finding the Fourth Proportional to 50,720.22, 69,992.64 and 28,060.48

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Solution

The fourth proportional to 50,720.22, 69,992.64 and 28,060.48 is: 38,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.22 : 69,992.64 = 28,060.48 : x
  2. Step 2: Convert to fraction form
    50,720.22/69,992.64 = 28,060.48/x
  3. Step 3: Cross multiply
    50,720.22x = 69,992.64 × 28,060.48
  4. Step 4: Simplify right side
    50,720.22x = 1,964,027,074.87
  5. Step 5: Solve for x
    x = 1,964,027,074.87/50,720.22
  6. Step 6: Final answer
    x = 38,722.76

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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.