Home / 72,997.20-109,560.60-62,499.60

Finding the Fourth Proportional to 72,997.20, 109,560.60 and 62,499.60

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Solution

The fourth proportional to 72,997.20, 109,560.60 and 62,499.60 is: 93,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,997.20 : 109,560.60 = 62,499.60 : x
  2. Step 2: Convert to fraction form
    72,997.20/109,560.60 = 62,499.60/x
  3. Step 3: Cross multiply
    72,997.20x = 109,560.60 × 62,499.60
  4. Step 4: Simplify right side
    72,997.20x = 6,847,493,675.76
  5. Step 5: Solve for x
    x = 6,847,493,675.76/72,997.20
  6. Step 6: Final answer
    x = 93,804.88

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1.5x scale

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.