Home / 49,699.80-68,556.60-31,788.27

Finding the Fourth Proportional to 49,699.80, 68,556.60 and 31,788.27

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Solution

The fourth proportional to 49,699.80, 68,556.60 and 31,788.27 is: 43,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,699.80 : 68,556.60 = 31,788.27 : x
  2. Step 2: Convert to fraction form
    49,699.80/68,556.60 = 31,788.27/x
  3. Step 3: Cross multiply
    49,699.80x = 68,556.60 × 31,788.27
  4. Step 4: Simplify right side
    49,699.80x = 2,179,295,711.08
  5. Step 5: Solve for x
    x = 2,179,295,711.08/49,699.80
  6. Step 6: Final answer
    x = 43,849.18

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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.