Home / 82,514.88-113,829.12-55,623.36

Finding the Fourth Proportional to 82,514.88, 113,829.12 and 55,623.36

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Solution

The fourth proportional to 82,514.88, 113,829.12 and 55,623.36 is: 76,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,514.88 : 113,829.12 = 55,623.36 : x
  2. Step 2: Convert to fraction form
    82,514.88/113,829.12 = 55,623.36/x
  3. Step 3: Cross multiply
    82,514.88x = 113,829.12 × 55,623.36
  4. Step 4: Simplify right side
    82,514.88x = 6,331,558,120.24
  5. Step 5: Solve for x
    x = 6,331,558,120.24/82,514.88
  6. Step 6: Final answer
    x = 76,732.32

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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.