Home / 78,060.44-117,095.88-27,453.40

Finding the Fourth Proportional to 78,060.44, 117,095.88 and 27,453.40

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Solution

The fourth proportional to 78,060.44, 117,095.88 and 27,453.40 is: 41,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,060.44 : 117,095.88 = 27,453.40 : x
  2. Step 2: Convert to fraction form
    78,060.44/117,095.88 = 27,453.40/x
  3. Step 3: Cross multiply
    78,060.44x = 117,095.88 × 27,453.40
  4. Step 4: Simplify right side
    78,060.44x = 3,214,679,309.25
  5. Step 5: Solve for x
    x = 3,214,679,309.25/78,060.44
  6. Step 6: Final answer
    x = 41,181.93

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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.