Home / 79,542.43-109,768.91-43,244.23

Finding the Fourth Proportional to 79,542.43, 109,768.91 and 43,244.23

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Solution

The fourth proportional to 79,542.43, 109,768.91 and 43,244.23 is: 59,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,542.43 : 109,768.91 = 43,244.23 : x
  2. Step 2: Convert to fraction form
    79,542.43/109,768.91 = 43,244.23/x
  3. Step 3: Cross multiply
    79,542.43x = 109,768.91 × 43,244.23
  4. Step 4: Simplify right side
    79,542.43x = 4,746,871,824.58
  5. Step 5: Solve for x
    x = 4,746,871,824.58/79,542.43
  6. Step 6: Final answer
    x = 59,677.23

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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.