Home / 82,514.14-113,706.20-58,573.78

Finding the Fourth Proportional to 82,514.14, 113,706.20 and 58,573.78

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Solution

The fourth proportional to 82,514.14, 113,706.20 and 58,573.78 is: 80,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,514.14 : 113,706.20 = 58,573.78 : x
  2. Step 2: Convert to fraction form
    82,514.14/113,706.20 = 58,573.78/x
  3. Step 3: Cross multiply
    82,514.14x = 113,706.20 × 58,573.78
  4. Step 4: Simplify right side
    82,514.14x = 6,660,201,805.60
  5. Step 5: Solve for x
    x = 6,660,201,805.60/82,514.14
  6. Step 6: Final answer
    x = 80,715.89

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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.