Home / 68,819.98-94,965.60-38,600.50

Finding the Fourth Proportional to 68,819.98, 94,965.60 and 38,600.50

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Solution

The fourth proportional to 68,819.98, 94,965.60 and 38,600.50 is: 53,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819.98 : 94,965.60 = 38,600.50 : x
  2. Step 2: Convert to fraction form
    68,819.98/94,965.60 = 38,600.50/x
  3. Step 3: Cross multiply
    68,819.98x = 94,965.60 × 38,600.50
  4. Step 4: Simplify right side
    68,819.98x = 3,665,719,642.80
  5. Step 5: Solve for x
    x = 3,665,719,642.80/68,819.98
  6. Step 6: Final answer
    x = 53,265.34

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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.