Home / 97,469.20-146,252.40-55,381.60

Finding the Fourth Proportional to 97,469.20, 146,252.40 and 55,381.60

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Solution

The fourth proportional to 97,469.20, 146,252.40 and 55,381.60 is: 83,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,469.20 : 146,252.40 = 55,381.60 : x
  2. Step 2: Convert to fraction form
    97,469.20/146,252.40 = 55,381.60/x
  3. Step 3: Cross multiply
    97,469.20x = 146,252.40 × 55,381.60
  4. Step 4: Simplify right side
    97,469.20x = 8,099,691,915.84
  5. Step 5: Solve for x
    x = 8,099,691,915.84/97,469.20
  6. Step 6: Final answer
    x = 83,100.01

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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.