Home / 80,528.48-120,777.60-27,927.20

Finding the Fourth Proportional to 80,528.48, 120,777.60 and 27,927.20

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Solution

The fourth proportional to 80,528.48, 120,777.60 and 27,927.20 is: 41,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,528.48 : 120,777.60 = 27,927.20 : x
  2. Step 2: Convert to fraction form
    80,528.48/120,777.60 = 27,927.20/x
  3. Step 3: Cross multiply
    80,528.48x = 120,777.60 × 27,927.20
  4. Step 4: Simplify right side
    80,528.48x = 3,372,980,190.72
  5. Step 5: Solve for x
    x = 3,372,980,190.72/80,528.48
  6. Step 6: Final answer
    x = 41,885.56

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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.