Home / 104,460.80-156,777.60-48,387.20

Finding the Fourth Proportional to 104,460.80, 156,777.60 and 48,387.20

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Solution

The fourth proportional to 104,460.80, 156,777.60 and 48,387.20 is: 72,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,460.80 : 156,777.60 = 48,387.20 : x
  2. Step 2: Convert to fraction form
    104,460.80/156,777.60 = 48,387.20/x
  3. Step 3: Cross multiply
    104,460.80x = 156,777.60 × 48,387.20
  4. Step 4: Simplify right side
    104,460.80x = 7,586,029,086.72
  5. Step 5: Solve for x
    x = 7,586,029,086.72/104,460.80
  6. Step 6: Final answer
    x = 72,620.82

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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.