Home / 58,592.36-87,890.70-30,121.68

Finding the Fourth Proportional to 58,592.36, 87,890.70 and 30,121.68

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Solution

The fourth proportional to 58,592.36, 87,890.70 and 30,121.68 is: 45,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,592.36 : 87,890.70 = 30,121.68 : x
  2. Step 2: Convert to fraction form
    58,592.36/87,890.70 = 30,121.68/x
  3. Step 3: Cross multiply
    58,592.36x = 87,890.70 × 30,121.68
  4. Step 4: Simplify right side
    58,592.36x = 2,647,415,982.92
  5. Step 5: Solve for x
    x = 2,647,415,982.92/58,592.36
  6. Step 6: Final answer
    x = 45,183.64

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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.