Home / 76,234.08-114,374.64-34,149.60

Finding the Fourth Proportional to 76,234.08, 114,374.64 and 34,149.60

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Solution

The fourth proportional to 76,234.08, 114,374.64 and 34,149.60 is: 51,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,234.08 : 114,374.64 = 34,149.60 : x
  2. Step 2: Convert to fraction form
    76,234.08/114,374.64 = 34,149.60/x
  3. Step 3: Cross multiply
    76,234.08x = 114,374.64 × 34,149.60
  4. Step 4: Simplify right side
    76,234.08x = 3,905,848,206.14
  5. Step 5: Solve for x
    x = 3,905,848,206.14/76,234.08
  6. Step 6: Final answer
    x = 51,234.94

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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.