Home / 81,819.72-112,910.51-46,008.97

Finding the Fourth Proportional to 81,819.72, 112,910.51 and 46,008.97

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Solution

The fourth proportional to 81,819.72, 112,910.51 and 46,008.97 is: 63,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,819.72 : 112,910.51 = 46,008.97 : x
  2. Step 2: Convert to fraction form
    81,819.72/112,910.51 = 46,008.97/x
  3. Step 3: Cross multiply
    81,819.72x = 112,910.51 × 46,008.97
  4. Step 4: Simplify right side
    81,819.72x = 5,194,895,754.95
  5. Step 5: Solve for x
    x = 5,194,895,754.95/81,819.72
  6. Step 6: Final answer
    x = 63,491.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.