Home / 53,556.25-80,278.66-17,991.18

Finding the Fourth Proportional to 53,556.25, 80,278.66 and 17,991.18

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Solution

The fourth proportional to 53,556.25, 80,278.66 and 17,991.18 is: 26,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,556.25 : 80,278.66 = 17,991.18 : x
  2. Step 2: Convert to fraction form
    53,556.25/80,278.66 = 17,991.18/x
  3. Step 3: Cross multiply
    53,556.25x = 80,278.66 × 17,991.18
  4. Step 4: Simplify right side
    53,556.25x = 1,444,307,822.22
  5. Step 5: Solve for x
    x = 1,444,307,822.22/53,556.25
  6. Step 6: Final answer
    x = 26,968.05

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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.