Home / 79,204.08-109,171.44-63,260.40

Finding the Fourth Proportional to 79,204.08, 109,171.44 and 63,260.40

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Solution

The fourth proportional to 79,204.08, 109,171.44 and 63,260.40 is: 87,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,204.08 : 109,171.44 = 63,260.40 : x
  2. Step 2: Convert to fraction form
    79,204.08/109,171.44 = 63,260.40/x
  3. Step 3: Cross multiply
    79,204.08x = 109,171.44 × 63,260.40
  4. Step 4: Simplify right side
    79,204.08x = 6,906,228,962.98
  5. Step 5: Solve for x
    x = 6,906,228,962.98/79,204.08
  6. Step 6: Final answer
    x = 87,195.37

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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.