Home / 57,372.53-79,186.94-31,887.83

Finding the Fourth Proportional to 57,372.53, 79,186.94 and 31,887.83

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Solution

The fourth proportional to 57,372.53, 79,186.94 and 31,887.83 is: 44,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,372.53 : 79,186.94 = 31,887.83 : x
  2. Step 2: Convert to fraction form
    57,372.53/79,186.94 = 31,887.83/x
  3. Step 3: Cross multiply
    57,372.53x = 79,186.94 × 31,887.83
  4. Step 4: Simplify right side
    57,372.53x = 2,525,099,483.31
  5. Step 5: Solve for x
    x = 2,525,099,483.31/57,372.53
  6. Step 6: Final answer
    x = 44,012.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.