Home / 70,190.92-105,341.61-32,731.69

Finding the Fourth Proportional to 70,190.92, 105,341.61 and 32,731.69

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Solution

The fourth proportional to 70,190.92, 105,341.61 and 32,731.69 is: 49,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,190.92 : 105,341.61 = 32,731.69 : x
  2. Step 2: Convert to fraction form
    70,190.92/105,341.61 = 32,731.69/x
  3. Step 3: Cross multiply
    70,190.92x = 105,341.61 × 32,731.69
  4. Step 4: Simplify right side
    70,190.92x = 3,448,008,922.62
  5. Step 5: Solve for x
    x = 3,448,008,922.62/70,190.92
  6. Step 6: Final answer
    x = 49,123.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.