Home / 96,052.89-132,429.74-78,761.54

Finding the Fourth Proportional to 96,052.89, 132,429.74 and 78,761.54

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Solution

The fourth proportional to 96,052.89, 132,429.74 and 78,761.54 is: 108,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,052.89 : 132,429.74 = 78,761.54 : x
  2. Step 2: Convert to fraction form
    96,052.89/132,429.74 = 78,761.54/x
  3. Step 3: Cross multiply
    96,052.89x = 132,429.74 × 78,761.54
  4. Step 4: Simplify right side
    96,052.89x = 10,430,369,208.24
  5. Step 5: Solve for x
    x = 10,430,369,208.24/96,052.89
  6. Step 6: Final answer
    x = 108,589.86

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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.