Home / 87,594.69-131,289.53-40,214.36

Finding the Fourth Proportional to 87,594.69, 131,289.53 and 40,214.36

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Solution

The fourth proportional to 87,594.69, 131,289.53 and 40,214.36 is: 60,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,594.69 : 131,289.53 = 40,214.36 : x
  2. Step 2: Convert to fraction form
    87,594.69/131,289.53 = 40,214.36/x
  3. Step 3: Cross multiply
    87,594.69x = 131,289.53 × 40,214.36
  4. Step 4: Simplify right side
    87,594.69x = 5,279,723,867.74
  5. Step 5: Solve for x
    x = 5,279,723,867.74/87,594.69
  6. Step 6: Final answer
    x = 60,274.47

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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.