Home / 94,905.20-142,098.60-68,466.80

Finding the Fourth Proportional to 94,905.20, 142,098.60 and 68,466.80

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Solution

The fourth proportional to 94,905.20, 142,098.60 and 68,466.80 is: 102,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,905.20 : 142,098.60 = 68,466.80 : x
  2. Step 2: Convert to fraction form
    94,905.20/142,098.60 = 68,466.80/x
  3. Step 3: Cross multiply
    94,905.20x = 142,098.60 × 68,466.80
  4. Step 4: Simplify right side
    94,905.20x = 9,729,036,426.48
  5. Step 5: Solve for x
    x = 9,729,036,426.48/94,905.20
  6. Step 6: Final answer
    x = 102,513.21

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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.