Home / 82,478.25-113,820.26-50,646.87

Finding the Fourth Proportional to 82,478.25, 113,820.26 and 50,646.87

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Solution

The fourth proportional to 82,478.25, 113,820.26 and 50,646.87 is: 69,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,478.25 : 113,820.26 = 50,646.87 : x
  2. Step 2: Convert to fraction form
    82,478.25/113,820.26 = 50,646.87/x
  3. Step 3: Cross multiply
    82,478.25x = 113,820.26 × 50,646.87
  4. Step 4: Simplify right side
    82,478.25x = 5,764,639,658.35
  5. Step 5: Solve for x
    x = 5,764,639,658.35/82,478.25
  6. Step 6: Final answer
    x = 69,892.85

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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.