Home / 79,427.52-109,605.68-43,622.24

Finding the Fourth Proportional to 79,427.52, 109,605.68 and 43,622.24

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Solution

The fourth proportional to 79,427.52, 109,605.68 and 43,622.24 is: 60,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.52 : 109,605.68 = 43,622.24 : x
  2. Step 2: Convert to fraction form
    79,427.52/109,605.68 = 43,622.24/x
  3. Step 3: Cross multiply
    79,427.52x = 109,605.68 × 43,622.24
  4. Step 4: Simplify right side
    79,427.52x = 4,781,245,278.32
  5. Step 5: Solve for x
    x = 4,781,245,278.32/79,427.52
  6. Step 6: Final answer
    x = 60,196.33

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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.