Home / 79,567.36-109,805.60-43,758.88

Finding the Fourth Proportional to 79,567.36, 109,805.60 and 43,758.88

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Solution

The fourth proportional to 79,567.36, 109,805.60 and 43,758.88 is: 60,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,567.36 : 109,805.60 = 43,758.88 : x
  2. Step 2: Convert to fraction form
    79,567.36/109,805.60 = 43,758.88/x
  3. Step 3: Cross multiply
    79,567.36x = 109,805.60 × 43,758.88
  4. Step 4: Simplify right side
    79,567.36x = 4,804,970,073.73
  5. Step 5: Solve for x
    x = 4,804,970,073.73/79,567.36
  6. Step 6: Final answer
    x = 60,388.71

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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.