Home / 96,183.80-132,696-55,890.32

Finding the Fourth Proportional to 96,183.80, 132,696 and 55,890.32

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Solution

The fourth proportional to 96,183.80, 132,696 and 55,890.32 is: 77,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,183.80 : 132,696 = 55,890.32 : x
  2. Step 2: Convert to fraction form
    96,183.80/132,696 = 55,890.32/x
  3. Step 3: Cross multiply
    96,183.80x = 132,696 × 55,890.32
  4. Step 4: Simplify right side
    96,183.80x = 7,416,421,902.72
  5. Step 5: Solve for x
    x = 7,416,421,902.72/96,183.80
  6. Step 6: Final answer
    x = 77,106.77

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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.