Home / 96,272.64-132,889.67-66,157.65

Finding the Fourth Proportional to 96,272.64, 132,889.67 and 66,157.65

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Solution

The fourth proportional to 96,272.64, 132,889.67 and 66,157.65 is: 91,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,272.64 : 132,889.67 = 66,157.65 : x
  2. Step 2: Convert to fraction form
    96,272.64/132,889.67 = 66,157.65/x
  3. Step 3: Cross multiply
    96,272.64x = 132,889.67 × 66,157.65
  4. Step 4: Simplify right side
    96,272.64x = 8,791,667,945.69
  5. Step 5: Solve for x
    x = 8,791,667,945.69/96,272.64
  6. Step 6: Final answer
    x = 91,320.52

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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.