Home / 87,410.52-131,134.98-51,904.27

Finding the Fourth Proportional to 87,410.52, 131,134.98 and 51,904.27

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Solution

The fourth proportional to 87,410.52, 131,134.98 and 51,904.27 is: 77,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.52 : 131,134.98 = 51,904.27 : x
  2. Step 2: Convert to fraction form
    87,410.52/131,134.98 = 51,904.27/x
  3. Step 3: Cross multiply
    87,410.52x = 131,134.98 × 51,904.27
  4. Step 4: Simplify right side
    87,410.52x = 6,806,465,408.36
  5. Step 5: Solve for x
    x = 6,806,465,408.36/87,410.52
  6. Step 6: Final answer
    x = 77,867.81

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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.