Home / 82,135.20-113,353.20-46,333.92

Finding the Fourth Proportional to 82,135.20, 113,353.20 and 46,333.92

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Solution

The fourth proportional to 82,135.20, 113,353.20 and 46,333.92 is: 63,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,135.20 : 113,353.20 = 46,333.92 : x
  2. Step 2: Convert to fraction form
    82,135.20/113,353.20 = 46,333.92/x
  3. Step 3: Cross multiply
    82,135.20x = 113,353.20 × 46,333.92
  4. Step 4: Simplify right side
    82,135.20x = 5,252,098,100.54
  5. Step 5: Solve for x
    x = 5,252,098,100.54/82,135.20
  6. Step 6: Final answer
    x = 63,944.55

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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.