Home / 95,431.62-131,819.58-72,632.10

Finding the Fourth Proportional to 95,431.62, 131,819.58 and 72,632.10

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Solution

The fourth proportional to 95,431.62, 131,819.58 and 72,632.10 is: 100,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,431.62 : 131,819.58 = 72,632.10 : x
  2. Step 2: Convert to fraction form
    95,431.62/131,819.58 = 72,632.10/x
  3. Step 3: Cross multiply
    95,431.62x = 131,819.58 × 72,632.10
  4. Step 4: Simplify right side
    95,431.62x = 9,574,332,916.52
  5. Step 5: Solve for x
    x = 9,574,332,916.52/95,431.62
  6. Step 6: Final answer
    x = 100,326.63

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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.