Home / 104,084.92-143,542.74-68,262.04

Finding the Fourth Proportional to 104,084.92, 143,542.74 and 68,262.04

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Solution

The fourth proportional to 104,084.92, 143,542.74 and 68,262.04 is: 94,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.92 : 143,542.74 = 68,262.04 : x
  2. Step 2: Convert to fraction form
    104,084.92/143,542.74 = 68,262.04/x
  3. Step 3: Cross multiply
    104,084.92x = 143,542.74 × 68,262.04
  4. Step 4: Simplify right side
    104,084.92x = 9,798,520,259.59
  5. Step 5: Solve for x
    x = 9,798,520,259.59/104,084.92
  6. Step 6: Final answer
    x = 94,139.67

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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.