Home / 87,445.49-131,195.91-31,284.35

Finding the Fourth Proportional to 87,445.49, 131,195.91 and 31,284.35

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Solution

The fourth proportional to 87,445.49, 131,195.91 and 31,284.35 is: 46,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,445.49 : 131,195.91 = 31,284.35 : x
  2. Step 2: Convert to fraction form
    87,445.49/131,195.91 = 31,284.35/x
  3. Step 3: Cross multiply
    87,445.49x = 131,195.91 × 31,284.35
  4. Step 4: Simplify right side
    87,445.49x = 4,104,378,935.34
  5. Step 5: Solve for x
    x = 4,104,378,935.34/87,445.49
  6. Step 6: Final answer
    x = 46,936.43

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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.