Home / 57,982.37-79,416.12-54,577.94

Finding the Fourth Proportional to 57,982.37, 79,416.12 and 54,577.94

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Solution

The fourth proportional to 57,982.37, 79,416.12 and 54,577.94 is: 74,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,982.37 : 79,416.12 = 54,577.94 : x
  2. Step 2: Convert to fraction form
    57,982.37/79,416.12 = 54,577.94/x
  3. Step 3: Cross multiply
    57,982.37x = 79,416.12 × 54,577.94
  4. Step 4: Simplify right side
    57,982.37x = 4,334,368,039.98
  5. Step 5: Solve for x
    x = 4,334,368,039.98/57,982.37
  6. Step 6: Final answer
    x = 74,753.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.