Home / 79,257.54-109,191.60-55,346.34

Finding the Fourth Proportional to 79,257.54, 109,191.60 and 55,346.34

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Solution

The fourth proportional to 79,257.54, 109,191.60 and 55,346.34 is: 76,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,257.54 : 109,191.60 = 55,346.34 : x
  2. Step 2: Convert to fraction form
    79,257.54/109,191.60 = 55,346.34/x
  3. Step 3: Cross multiply
    79,257.54x = 109,191.60 × 55,346.34
  4. Step 4: Simplify right side
    79,257.54x = 6,043,355,418.74
  5. Step 5: Solve for x
    x = 6,043,355,418.74/79,257.54
  6. Step 6: Final answer
    x = 76,249.60

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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.