Home / 78,054.04-117,092.46-25,450.60

Finding the Fourth Proportional to 78,054.04, 117,092.46 and 25,450.60

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Solution

The fourth proportional to 78,054.04, 117,092.46 and 25,450.60 is: 38,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,054.04 : 117,092.46 = 25,450.60 : x
  2. Step 2: Convert to fraction form
    78,054.04/117,092.46 = 25,450.60/x
  3. Step 3: Cross multiply
    78,054.04x = 117,092.46 × 25,450.60
  4. Step 4: Simplify right side
    78,054.04x = 2,980,073,362.48
  5. Step 5: Solve for x
    x = 2,980,073,362.48/78,054.04
  6. Step 6: Final answer
    x = 38,179.62

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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.