Home / 57,044.08-78,723.42-31,893.60

Finding the Fourth Proportional to 57,044.08, 78,723.42 and 31,893.60

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Solution

The fourth proportional to 57,044.08, 78,723.42 and 31,893.60 is: 44,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,044.08 : 78,723.42 = 31,893.60 : x
  2. Step 2: Convert to fraction form
    57,044.08/78,723.42 = 31,893.60/x
  3. Step 3: Cross multiply
    57,044.08x = 78,723.42 × 31,893.60
  4. Step 4: Simplify right side
    57,044.08x = 2,510,773,268.11
  5. Step 5: Solve for x
    x = 2,510,773,268.11/57,044.08
  6. Step 6: Final answer
    x = 44,014.62

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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.