Home / 96,288.48-132,896.49-64,512.78

Finding the Fourth Proportional to 96,288.48, 132,896.49 and 64,512.78

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Solution

The fourth proportional to 96,288.48, 132,896.49 and 64,512.78 is: 89,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,288.48 : 132,896.49 = 64,512.78 : x
  2. Step 2: Convert to fraction form
    96,288.48/132,896.49 = 64,512.78/x
  3. Step 3: Cross multiply
    96,288.48x = 132,896.49 × 64,512.78
  4. Step 4: Simplify right side
    96,288.48x = 8,573,522,022.14
  5. Step 5: Solve for x
    x = 8,573,522,022.14/96,288.48
  6. Step 6: Final answer
    x = 89,039.96

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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.