Home / 81,818.44-112,911.27-50,004.88

Finding the Fourth Proportional to 81,818.44, 112,911.27 and 50,004.88

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Solution

The fourth proportional to 81,818.44, 112,911.27 and 50,004.88 is: 69,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,818.44 : 112,911.27 = 50,004.88 : x
  2. Step 2: Convert to fraction form
    81,818.44/112,911.27 = 50,004.88/x
  3. Step 3: Cross multiply
    81,818.44x = 112,911.27 × 50,004.88
  4. Step 4: Simplify right side
    81,818.44x = 5,646,114,037.20
  5. Step 5: Solve for x
    x = 5,646,114,037.20/81,818.44
  6. Step 6: Final answer
    x = 69,007.84

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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.