Home / 100,962.20-151,443.30-48,344.60

Finding the Fourth Proportional to 100,962.20, 151,443.30 and 48,344.60

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Solution

The fourth proportional to 100,962.20, 151,443.30 and 48,344.60 is: 72,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,962.20 : 151,443.30 = 48,344.60 : x
  2. Step 2: Convert to fraction form
    100,962.20/151,443.30 = 48,344.60/x
  3. Step 3: Cross multiply
    100,962.20x = 151,443.30 × 48,344.60
  4. Step 4: Simplify right side
    100,962.20x = 7,321,465,761.18
  5. Step 5: Solve for x
    x = 7,321,465,761.18/100,962.20
  6. Step 6: Final answer
    x = 72,516.90

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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.