Home / 324,582.03-486,835.38-87,942.57

Finding the Fourth Proportional to 324,582.03, 486,835.38 and 87,942.57

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Solution

The fourth proportional to 324,582.03, 486,835.38 and 87,942.57 is: 131,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,582.03 : 486,835.38 = 87,942.57 : x
  2. Step 2: Convert to fraction form
    324,582.03/486,835.38 = 87,942.57/x
  3. Step 3: Cross multiply
    324,582.03x = 486,835.38 × 87,942.57
  4. Step 4: Simplify right side
    324,582.03x = 42,813,554,484.13
  5. Step 5: Solve for x
    x = 42,813,554,484.13/324,582.03
  6. Step 6: Final answer
    x = 131,903.65

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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.