Home / 58,128.91-87,120.58-24,809.97

Finding the Fourth Proportional to 58,128.91, 87,120.58 and 24,809.97

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Solution

The fourth proportional to 58,128.91, 87,120.58 and 24,809.97 is: 37,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,128.91 : 87,120.58 = 24,809.97 : x
  2. Step 2: Convert to fraction form
    58,128.91/87,120.58 = 24,809.97/x
  3. Step 3: Cross multiply
    58,128.91x = 87,120.58 × 24,809.97
  4. Step 4: Simplify right side
    58,128.91x = 2,161,458,540.58
  5. Step 5: Solve for x
    x = 2,161,458,540.58/58,128.91
  6. Step 6: Final answer
    x = 37,183.88

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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.