Home / 57,984.37-79,418.86-54,579.94

Finding the Fourth Proportional to 57,984.37, 79,418.86 and 54,579.94

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Solution

The fourth proportional to 57,984.37, 79,418.86 and 54,579.94 is: 74,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,984.37 : 79,418.86 = 54,579.94 : x
  2. Step 2: Convert to fraction form
    57,984.37/79,418.86 = 54,579.94/x
  3. Step 3: Cross multiply
    57,984.37x = 79,418.86 × 54,579.94
  4. Step 4: Simplify right side
    57,984.37x = 4,334,676,216.57
  5. Step 5: Solve for x
    x = 4,334,676,216.57/57,984.37
  6. Step 6: Final answer
    x = 74,755.95

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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.