Home / 104,819.34-144,649.98-57,072.66

Finding the Fourth Proportional to 104,819.34, 144,649.98 and 57,072.66

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Solution

The fourth proportional to 104,819.34, 144,649.98 and 57,072.66 is: 78,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819.34 : 144,649.98 = 57,072.66 : x
  2. Step 2: Convert to fraction form
    104,819.34/144,649.98 = 57,072.66/x
  3. Step 3: Cross multiply
    104,819.34x = 144,649.98 × 57,072.66
  4. Step 4: Simplify right side
    104,819.34x = 8,255,559,127.55
  5. Step 5: Solve for x
    x = 8,255,559,127.55/104,819.34
  6. Step 6: Final answer
    x = 78,759.88

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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.