Home / 78,398.58-117,599.44-25,100.73

Finding the Fourth Proportional to 78,398.58, 117,599.44 and 25,100.73

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Solution

The fourth proportional to 78,398.58, 117,599.44 and 25,100.73 is: 37,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,398.58 : 117,599.44 = 25,100.73 : x
  2. Step 2: Convert to fraction form
    78,398.58/117,599.44 = 25,100.73/x
  3. Step 3: Cross multiply
    78,398.58x = 117,599.44 × 25,100.73
  4. Step 4: Simplify right side
    78,398.58x = 2,951,831,996.40
  5. Step 5: Solve for x
    x = 2,951,831,996.40/78,398.58
  6. Step 6: Final answer
    x = 37,651.60

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1.5x scale

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.