Home / 87,828.66-131,662.26-31,655.02

Finding the Fourth Proportional to 87,828.66, 131,662.26 and 31,655.02

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Solution

The fourth proportional to 87,828.66, 131,662.26 and 31,655.02 is: 47,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,828.66 : 131,662.26 = 31,655.02 : x
  2. Step 2: Convert to fraction form
    87,828.66/131,662.26 = 31,655.02/x
  3. Step 3: Cross multiply
    87,828.66x = 131,662.26 × 31,655.02
  4. Step 4: Simplify right side
    87,828.66x = 4,167,771,391.26
  5. Step 5: Solve for x
    x = 4,167,771,391.26/87,828.66
  6. Step 6: Final answer
    x = 47,453.43

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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.