Home / 78,546.06-117,804.45-25,238.96

Finding the Fourth Proportional to 78,546.06, 117,804.45 and 25,238.96

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Solution

The fourth proportional to 78,546.06, 117,804.45 and 25,238.96 is: 37,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546.06 : 117,804.45 = 25,238.96 : x
  2. Step 2: Convert to fraction form
    78,546.06/117,804.45 = 25,238.96/x
  3. Step 3: Cross multiply
    78,546.06x = 117,804.45 × 25,238.96
  4. Step 4: Simplify right side
    78,546.06x = 2,973,261,654.12
  5. Step 5: Solve for x
    x = 2,973,261,654.12/78,546.06
  6. Step 6: Final answer
    x = 37,853.74

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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.