Home / 57,669.15-86,626.64-54,298.44

Finding the Fourth Proportional to 57,669.15, 86,626.64 and 54,298.44

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Solution

The fourth proportional to 57,669.15, 86,626.64 and 54,298.44 is: 81,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,669.15 : 86,626.64 = 54,298.44 : x
  2. Step 2: Convert to fraction form
    57,669.15/86,626.64 = 54,298.44/x
  3. Step 3: Cross multiply
    57,669.15x = 86,626.64 × 54,298.44
  4. Step 4: Simplify right side
    57,669.15x = 4,703,691,142.95
  5. Step 5: Solve for x
    x = 4,703,691,142.95/57,669.15
  6. Step 6: Final answer
    x = 81,563.39

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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.