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Finding the Fourth Proportional to 84,794, 127,025.52 and 40,359.68

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Solution

The fourth proportional to 84,794, 127,025.52 and 40,359.68 is: 60,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,794 : 127,025.52 = 40,359.68 : x
  2. Step 2: Convert to fraction form
    84,794/127,025.52 = 40,359.68/x
  3. Step 3: Cross multiply
    84,794x = 127,025.52 × 40,359.68
  4. Step 4: Simplify right side
    84,794x = 5,126,709,339.03
  5. Step 5: Solve for x
    x = 5,126,709,339.03/84,794
  6. Step 6: Final answer
    x = 60,460.76

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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.