Home / 75,821.76-104,600.20-43,972.20

Finding the Fourth Proportional to 75,821.76, 104,600.20 and 43,972.20

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Solution

The fourth proportional to 75,821.76, 104,600.20 and 43,972.20 is: 60,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,821.76 : 104,600.20 = 43,972.20 : x
  2. Step 2: Convert to fraction form
    75,821.76/104,600.20 = 43,972.20/x
  3. Step 3: Cross multiply
    75,821.76x = 104,600.20 × 43,972.20
  4. Step 4: Simplify right side
    75,821.76x = 4,599,500,694.58
  5. Step 5: Solve for x
    x = 4,599,500,694.58/75,821.76
  6. Step 6: Final answer
    x = 60,662.01

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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.