Home / 57,315.02-79,093.44-31,819.88

Finding the Fourth Proportional to 57,315.02, 79,093.44 and 31,819.88

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Solution

The fourth proportional to 57,315.02, 79,093.44 and 31,819.88 is: 43,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.02 : 79,093.44 = 31,819.88 : x
  2. Step 2: Convert to fraction form
    57,315.02/79,093.44 = 31,819.88/x
  3. Step 3: Cross multiply
    57,315.02x = 79,093.44 × 31,819.88
  4. Step 4: Simplify right side
    57,315.02x = 2,516,743,769.59
  5. Step 5: Solve for x
    x = 2,516,743,769.59/57,315.02
  6. Step 6: Final answer
    x = 43,910.72

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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.