Home / 87,825.36-131,762.72-35,271.76

Finding the Fourth Proportional to 87,825.36, 131,762.72 and 35,271.76

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Solution

The fourth proportional to 87,825.36, 131,762.72 and 35,271.76 is: 52,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,825.36 : 131,762.72 = 35,271.76 : x
  2. Step 2: Convert to fraction form
    87,825.36/131,762.72 = 35,271.76/x
  3. Step 3: Cross multiply
    87,825.36x = 131,762.72 × 35,271.76
  4. Step 4: Simplify right side
    87,825.36x = 4,647,503,036.79
  5. Step 5: Solve for x
    x = 4,647,503,036.79/87,825.36
  6. Step 6: Final answer
    x = 52,917.55

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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.