Home / 81,670.73-122,342.06-37,236.35

Finding the Fourth Proportional to 81,670.73, 122,342.06 and 37,236.35

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Solution

The fourth proportional to 81,670.73, 122,342.06 and 37,236.35 is: 55,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,670.73 : 122,342.06 = 37,236.35 : x
  2. Step 2: Convert to fraction form
    81,670.73/122,342.06 = 37,236.35/x
  3. Step 3: Cross multiply
    81,670.73x = 122,342.06 × 37,236.35
  4. Step 4: Simplify right side
    81,670.73x = 4,555,571,978.65
  5. Step 5: Solve for x
    x = 4,555,571,978.65/81,670.73
  6. Step 6: Final answer
    x = 55,779.74

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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.