Home / 53,822.58-80,734.32-18,762.18

Finding the Fourth Proportional to 53,822.58, 80,734.32 and 18,762.18

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Solution

The fourth proportional to 53,822.58, 80,734.32 and 18,762.18 is: 28,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,822.58 : 80,734.32 = 18,762.18 : x
  2. Step 2: Convert to fraction form
    53,822.58/80,734.32 = 18,762.18/x
  3. Step 3: Cross multiply
    53,822.58x = 80,734.32 × 18,762.18
  4. Step 4: Simplify right side
    53,822.58x = 1,514,751,844.02
  5. Step 5: Solve for x
    x = 1,514,751,844.02/53,822.58
  6. Step 6: Final answer
    x = 28,143.43

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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.