Home / 96,322.12-132,917.28-53,872.45

Finding the Fourth Proportional to 96,322.12, 132,917.28 and 53,872.45

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Solution

The fourth proportional to 96,322.12, 132,917.28 and 53,872.45 is: 74,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,322.12 : 132,917.28 = 53,872.45 : x
  2. Step 2: Convert to fraction form
    96,322.12/132,917.28 = 53,872.45/x
  3. Step 3: Cross multiply
    96,322.12x = 132,917.28 × 53,872.45
  4. Step 4: Simplify right side
    96,322.12x = 7,160,579,520.94
  5. Step 5: Solve for x
    x = 7,160,579,520.94/96,322.12
  6. Step 6: Final answer
    x = 74,339.93

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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.