Home / 57,756.72-86,638.14-16,206.96

Finding the Fourth Proportional to 57,756.72, 86,638.14 and 16,206.96

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Solution

The fourth proportional to 57,756.72, 86,638.14 and 16,206.96 is: 24,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,756.72 : 86,638.14 = 16,206.96 : x
  2. Step 2: Convert to fraction form
    57,756.72/86,638.14 = 16,206.96/x
  3. Step 3: Cross multiply
    57,756.72x = 86,638.14 × 16,206.96
  4. Step 4: Simplify right side
    57,756.72x = 1,404,140,869.45
  5. Step 5: Solve for x
    x = 1,404,140,869.45/57,756.72
  6. Step 6: Final answer
    x = 24,311.30

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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.