Home / 97,974.40-146,859.20-53,532.80

Finding the Fourth Proportional to 97,974.40, 146,859.20 and 53,532.80

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Solution

The fourth proportional to 97,974.40, 146,859.20 and 53,532.80 is: 80,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,974.40 : 146,859.20 = 53,532.80 : x
  2. Step 2: Convert to fraction form
    97,974.40/146,859.20 = 53,532.80/x
  3. Step 3: Cross multiply
    97,974.40x = 146,859.20 × 53,532.80
  4. Step 4: Simplify right side
    97,974.40x = 7,861,784,181.76
  5. Step 5: Solve for x
    x = 7,861,784,181.76/97,974.40
  6. Step 6: Final answer
    x = 80,243.25

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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.