Home / 57,778.76-86,676.33-17,800.98

Finding the Fourth Proportional to 57,778.76, 86,676.33 and 17,800.98

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Solution

The fourth proportional to 57,778.76, 86,676.33 and 17,800.98 is: 26,704.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,778.76 : 86,676.33 = 17,800.98 : x
  2. Step 2: Convert to fraction form
    57,778.76/86,676.33 = 17,800.98/x
  3. Step 3: Cross multiply
    57,778.76x = 86,676.33 × 17,800.98
  4. Step 4: Simplify right side
    57,778.76x = 1,542,924,041.42
  5. Step 5: Solve for x
    x = 1,542,924,041.42/57,778.76
  6. Step 6: Final answer
    x = 26,704.00

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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.