Home / 82,514.12-113,865.52-50,676.87

Finding the Fourth Proportional to 82,514.12, 113,865.52 and 50,676.87

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Solution

The fourth proportional to 82,514.12, 113,865.52 and 50,676.87 is: 69,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,514.12 : 113,865.52 = 50,676.87 : x
  2. Step 2: Convert to fraction form
    82,514.12/113,865.52 = 50,676.87/x
  3. Step 3: Cross multiply
    82,514.12x = 113,865.52 × 50,676.87
  4. Step 4: Simplify right side
    82,514.12x = 5,770,347,731.63
  5. Step 5: Solve for x
    x = 5,770,347,731.63/82,514.12
  6. Step 6: Final answer
    x = 69,931.64

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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.