Home / 79,170.24-109,250.76-43,359.48

Finding the Fourth Proportional to 79,170.24, 109,250.76 and 43,359.48

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Solution

The fourth proportional to 79,170.24, 109,250.76 and 43,359.48 is: 59,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,170.24 : 109,250.76 = 43,359.48 : x
  2. Step 2: Convert to fraction form
    79,170.24/109,250.76 = 43,359.48/x
  3. Step 3: Cross multiply
    79,170.24x = 109,250.76 × 43,359.48
  4. Step 4: Simplify right side
    79,170.24x = 4,737,056,143.20
  5. Step 5: Solve for x
    x = 4,737,056,143.20/79,170.24
  6. Step 6: Final answer
    x = 59,833.80

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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.