Home / 103,982.84-143,513.98-58,673.67

Finding the Fourth Proportional to 103,982.84, 143,513.98 and 58,673.67

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Solution

The fourth proportional to 103,982.84, 143,513.98 and 58,673.67 is: 80,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,982.84 : 143,513.98 = 58,673.67 : x
  2. Step 2: Convert to fraction form
    103,982.84/143,513.98 = 58,673.67/x
  3. Step 3: Cross multiply
    103,982.84x = 143,513.98 × 58,673.67
  4. Step 4: Simplify right side
    103,982.84x = 8,420,491,218.05
  5. Step 5: Solve for x
    x = 8,420,491,218.05/103,982.84
  6. Step 6: Final answer
    x = 80,979.62

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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.