Home / 85,104-127,668.96-28,926.72

Finding the Fourth Proportional to 85,104, 127,668.96 and 28,926.72

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Solution

The fourth proportional to 85,104, 127,668.96 and 28,926.72 is: 43,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,104 : 127,668.96 = 28,926.72 : x
  2. Step 2: Convert to fraction form
    85,104/127,668.96 = 28,926.72/x
  3. Step 3: Cross multiply
    85,104x = 127,668.96 × 28,926.72
  4. Step 4: Simplify right side
    85,104x = 3,693,044,258.61
  5. Step 5: Solve for x
    x = 3,693,044,258.61/85,104
  6. Step 6: Final answer
    x = 43,394.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.