Home / 57,124.44-78,829.20-31,631.72

Finding the Fourth Proportional to 57,124.44, 78,829.20 and 31,631.72

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Solution

The fourth proportional to 57,124.44, 78,829.20 and 31,631.72 is: 43,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,124.44 : 78,829.20 = 31,631.72 : x
  2. Step 2: Convert to fraction form
    57,124.44/78,829.20 = 31,631.72/x
  3. Step 3: Cross multiply
    57,124.44x = 78,829.20 × 31,631.72
  4. Step 4: Simplify right side
    57,124.44x = 2,493,502,788.08
  5. Step 5: Solve for x
    x = 2,493,502,788.08/57,124.44
  6. Step 6: Final answer
    x = 43,650.37

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