Home / 64,648.20-89,213.44-35,967.56

Finding the Fourth Proportional to 64,648.20, 89,213.44 and 35,967.56

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Solution

The fourth proportional to 64,648.20, 89,213.44 and 35,967.56 is: 49,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,648.20 : 89,213.44 = 35,967.56 : x
  2. Step 2: Convert to fraction form
    64,648.20/89,213.44 = 35,967.56/x
  3. Step 3: Cross multiply
    64,648.20x = 89,213.44 × 35,967.56
  4. Step 4: Simplify right side
    64,648.20x = 3,208,789,756.01
  5. Step 5: Solve for x
    x = 3,208,789,756.01/64,648.20
  6. Step 6: Final answer
    x = 49,634.63

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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.