Home / 94,940.90-142,481.44-45,021.17

Finding the Fourth Proportional to 94,940.90, 142,481.44 and 45,021.17

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Solution

The fourth proportional to 94,940.90, 142,481.44 and 45,021.17 is: 67,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,940.90 : 142,481.44 = 45,021.17 : x
  2. Step 2: Convert to fraction form
    94,940.90/142,481.44 = 45,021.17/x
  3. Step 3: Cross multiply
    94,940.90x = 142,481.44 × 45,021.17
  4. Step 4: Simplify right side
    94,940.90x = 6,414,680,475.95
  5. Step 5: Solve for x
    x = 6,414,680,475.95/94,940.90
  6. Step 6: Final answer
    x = 67,564.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.