Home / 49,739.05-68,646.45-28,514.22

Finding the Fourth Proportional to 49,739.05, 68,646.45 and 28,514.22

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Solution

The fourth proportional to 49,739.05, 68,646.45 and 28,514.22 is: 39,353.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.05 : 68,646.45 = 28,514.22 : x
  2. Step 2: Convert to fraction form
    49,739.05/68,646.45 = 28,514.22/x
  3. Step 3: Cross multiply
    49,739.05x = 68,646.45 × 28,514.22
  4. Step 4: Simplify right side
    49,739.05x = 1,957,399,977.52
  5. Step 5: Solve for x
    x = 1,957,399,977.52/49,739.05
  6. Step 6: Final answer
    x = 39,353.38

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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.