Home / 87,964.36-131,946.63-21,404.49

Finding the Fourth Proportional to 87,964.36, 131,946.63 and 21,404.49

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Solution

The fourth proportional to 87,964.36, 131,946.63 and 21,404.49 is: 32,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,964.36 : 131,946.63 = 21,404.49 : x
  2. Step 2: Convert to fraction form
    87,964.36/131,946.63 = 21,404.49/x
  3. Step 3: Cross multiply
    87,964.36x = 131,946.63 × 21,404.49
  4. Step 4: Simplify right side
    87,964.36x = 2,824,250,322.37
  5. Step 5: Solve for x
    x = 2,824,250,322.37/87,964.36
  6. Step 6: Final answer
    x = 32,106.76

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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.