Home / 87,798.49-131,684.37-28,634.06

Finding the Fourth Proportional to 87,798.49, 131,684.37 and 28,634.06

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Solution

The fourth proportional to 87,798.49, 131,684.37 and 28,634.06 is: 42,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,798.49 : 131,684.37 = 28,634.06 : x
  2. Step 2: Convert to fraction form
    87,798.49/131,684.37 = 28,634.06/x
  3. Step 3: Cross multiply
    87,798.49x = 131,684.37 × 28,634.06
  4. Step 4: Simplify right side
    87,798.49x = 3,770,658,373.48
  5. Step 5: Solve for x
    x = 3,770,658,373.48/87,798.49
  6. Step 6: Final answer
    x = 42,946.73

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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.