Home / 56,768.20-85,037.10-32,115.40

Finding the Fourth Proportional to 56,768.20, 85,037.10 and 32,115.40

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Solution

The fourth proportional to 56,768.20, 85,037.10 and 32,115.40 is: 48,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768.20 : 85,037.10 = 32,115.40 : x
  2. Step 2: Convert to fraction form
    56,768.20/85,037.10 = 32,115.40/x
  3. Step 3: Cross multiply
    56,768.20x = 85,037.10 × 32,115.40
  4. Step 4: Simplify right side
    56,768.20x = 2,731,000,481.34
  5. Step 5: Solve for x
    x = 2,731,000,481.34/56,768.20
  6. Step 6: Final answer
    x = 48,107.93

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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.