Home / 104,310.39-143,948.41-56,563.73

Finding the Fourth Proportional to 104,310.39, 143,948.41 and 56,563.73

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Solution

The fourth proportional to 104,310.39, 143,948.41 and 56,563.73 is: 78,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,310.39 : 143,948.41 = 56,563.73 : x
  2. Step 2: Convert to fraction form
    104,310.39/143,948.41 = 56,563.73/x
  3. Step 3: Cross multiply
    104,310.39x = 143,948.41 × 56,563.73
  4. Step 4: Simplify right side
    104,310.39x = 8,142,258,997.17
  5. Step 5: Solve for x
    x = 8,142,258,997.17/104,310.39
  6. Step 6: Final answer
    x = 78,057.99

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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.