Home / 57,910.42-79,917.51-45,177.99

Finding the Fourth Proportional to 57,910.42, 79,917.51 and 45,177.99

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Solution

The fourth proportional to 57,910.42, 79,917.51 and 45,177.99 is: 62,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.42 : 79,917.51 = 45,177.99 : x
  2. Step 2: Convert to fraction form
    57,910.42/79,917.51 = 45,177.99/x
  3. Step 3: Cross multiply
    57,910.42x = 79,917.51 × 45,177.99
  4. Step 4: Simplify right side
    57,910.42x = 3,610,512,467.60
  5. Step 5: Solve for x
    x = 3,610,512,467.60/57,910.42
  6. Step 6: Final answer
    x = 62,346.51

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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.