Home / 57,840.72-86,753.40-16,290.96

Finding the Fourth Proportional to 57,840.72, 86,753.40 and 16,290.96

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Solution

The fourth proportional to 57,840.72, 86,753.40 and 16,290.96 is: 24,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.72 : 86,753.40 = 16,290.96 : x
  2. Step 2: Convert to fraction form
    57,840.72/86,753.40 = 16,290.96/x
  3. Step 3: Cross multiply
    57,840.72x = 86,753.40 × 16,290.96
  4. Step 4: Simplify right side
    57,840.72x = 1,413,296,169.26
  5. Step 5: Solve for x
    x = 1,413,296,169.26/57,840.72
  6. Step 6: Final answer
    x = 24,434.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.