Home / 75,365.73-104,012.97-43,103.34

Finding the Fourth Proportional to 75,365.73, 104,012.97 and 43,103.34

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Solution

The fourth proportional to 75,365.73, 104,012.97 and 43,103.34 is: 59,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,365.73 : 104,012.97 = 43,103.34 : x
  2. Step 2: Convert to fraction form
    75,365.73/104,012.97 = 43,103.34/x
  3. Step 3: Cross multiply
    75,365.73x = 104,012.97 × 43,103.34
  4. Step 4: Simplify right side
    75,365.73x = 4,483,306,410.32
  5. Step 5: Solve for x
    x = 4,483,306,410.32/75,365.73
  6. Step 6: Final answer
    x = 59,487.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.