Home / 96,889.68-133,713.27-64,568.16

Finding the Fourth Proportional to 96,889.68, 133,713.27 and 64,568.16

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Solution

The fourth proportional to 96,889.68, 133,713.27 and 64,568.16 is: 89,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,889.68 : 133,713.27 = 64,568.16 : x
  2. Step 2: Convert to fraction form
    96,889.68/133,713.27 = 64,568.16/x
  3. Step 3: Cross multiply
    96,889.68x = 133,713.27 × 64,568.16
  4. Step 4: Simplify right side
    96,889.68x = 8,633,619,811.48
  5. Step 5: Solve for x
    x = 8,633,619,811.48/96,889.68
  6. Step 6: Final answer
    x = 89,107.73

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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.