Home / 79,548.53-109,777.38-43,740.85

Finding the Fourth Proportional to 79,548.53, 109,777.38 and 43,740.85

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Solution

The fourth proportional to 79,548.53, 109,777.38 and 43,740.85 is: 60,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.53 : 109,777.38 = 43,740.85 : x
  2. Step 2: Convert to fraction form
    79,548.53/109,777.38 = 43,740.85/x
  3. Step 3: Cross multiply
    79,548.53x = 109,777.38 × 43,740.85
  4. Step 4: Simplify right side
    79,548.53x = 4,801,755,911.97
  5. Step 5: Solve for x
    x = 4,801,755,911.97/79,548.53
  6. Step 6: Final answer
    x = 60,362.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.