Home / 79,331.33-109,484.15-43,528.34

Finding the Fourth Proportional to 79,331.33, 109,484.15 and 43,528.34

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Solution

The fourth proportional to 79,331.33, 109,484.15 and 43,528.34 is: 60,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,331.33 : 109,484.15 = 43,528.34 : x
  2. Step 2: Convert to fraction form
    79,331.33/109,484.15 = 43,528.34/x
  3. Step 3: Cross multiply
    79,331.33x = 109,484.15 × 43,528.34
  4. Step 4: Simplify right side
    79,331.33x = 4,765,662,540.75
  5. Step 5: Solve for x
    x = 4,765,662,540.75/79,331.33
  6. Step 6: Final answer
    x = 60,072.90

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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.