Home / 55,855.94-83,771.60-35,805.20

Finding the Fourth Proportional to 55,855.94, 83,771.60 and 35,805.20

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Solution

The fourth proportional to 55,855.94, 83,771.60 and 35,805.20 is: 53,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,855.94 : 83,771.60 = 35,805.20 : x
  2. Step 2: Convert to fraction form
    55,855.94/83,771.60 = 35,805.20/x
  3. Step 3: Cross multiply
    55,855.94x = 83,771.60 × 35,805.20
  4. Step 4: Simplify right side
    55,855.94x = 2,999,458,892.32
  5. Step 5: Solve for x
    x = 2,999,458,892.32/55,855.94
  6. Step 6: Final answer
    x = 53,699.91

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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.