Home / 98,835.20-148,265.60-48,940.80

Finding the Fourth Proportional to 98,835.20, 148,265.60 and 48,940.80

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Solution

The fourth proportional to 98,835.20, 148,265.60 and 48,940.80 is: 73,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,835.20 : 148,265.60 = 48,940.80 : x
  2. Step 2: Convert to fraction form
    98,835.20/148,265.60 = 48,940.80/x
  3. Step 3: Cross multiply
    98,835.20x = 148,265.60 × 48,940.80
  4. Step 4: Simplify right side
    98,835.20x = 7,256,237,076.48
  5. Step 5: Solve for x
    x = 7,256,237,076.48/98,835.20
  6. Step 6: Final answer
    x = 73,417.54

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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.