Home / 58,487.43-87,738.96-20,527.69

Finding the Fourth Proportional to 58,487.43, 87,738.96 and 20,527.69

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Solution

The fourth proportional to 58,487.43, 87,738.96 and 20,527.69 is: 30,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,487.43 : 87,738.96 = 20,527.69 : x
  2. Step 2: Convert to fraction form
    58,487.43/87,738.96 = 20,527.69/x
  3. Step 3: Cross multiply
    58,487.43x = 87,738.96 × 20,527.69
  4. Step 4: Simplify right side
    58,487.43x = 1,801,077,630.47
  5. Step 5: Solve for x
    x = 1,801,077,630.47/58,487.43
  6. Step 6: Final answer
    x = 30,794.27

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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.