Home / 55,596.75-83,403.77-18,669.39

Finding the Fourth Proportional to 55,596.75, 83,403.77 and 18,669.39

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Solution

The fourth proportional to 55,596.75, 83,403.77 and 18,669.39 is: 28,006.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,596.75 : 83,403.77 = 18,669.39 : x
  2. Step 2: Convert to fraction form
    55,596.75/83,403.77 = 18,669.39/x
  3. Step 3: Cross multiply
    55,596.75x = 83,403.77 × 18,669.39
  4. Step 4: Simplify right side
    55,596.75x = 1,557,097,416.25
  5. Step 5: Solve for x
    x = 1,557,097,416.25/55,596.75
  6. Step 6: Final answer
    x = 28,006.99

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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.