Home / 87,973.75-131,969.84-28,814.03

Finding the Fourth Proportional to 87,973.75, 131,969.84 and 28,814.03

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Solution

The fourth proportional to 87,973.75, 131,969.84 and 28,814.03 is: 43,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,973.75 : 131,969.84 = 28,814.03 : x
  2. Step 2: Convert to fraction form
    87,973.75/131,969.84 = 28,814.03/x
  3. Step 3: Cross multiply
    87,973.75x = 131,969.84 × 28,814.03
  4. Step 4: Simplify right side
    87,973.75x = 3,802,582,341.04
  5. Step 5: Solve for x
    x = 3,802,582,341.04/87,973.75
  6. Step 6: Final answer
    x = 43,224.06

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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.