Home / 64,975.36-89,665.29-36,682.24

Finding the Fourth Proportional to 64,975.36, 89,665.29 and 36,682.24

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Solution

The fourth proportional to 64,975.36, 89,665.29 and 36,682.24 is: 50,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,975.36 : 89,665.29 = 36,682.24 : x
  2. Step 2: Convert to fraction form
    64,975.36/89,665.29 = 36,682.24/x
  3. Step 3: Cross multiply
    64,975.36x = 89,665.29 × 36,682.24
  4. Step 4: Simplify right side
    64,975.36x = 3,289,123,687.45
  5. Step 5: Solve for x
    x = 3,289,123,687.45/64,975.36
  6. Step 6: Final answer
    x = 50,621.09

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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.