Home / 82,011.26-123,021.48-25,852.88

Finding the Fourth Proportional to 82,011.26, 123,021.48 and 25,852.88

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Solution

The fourth proportional to 82,011.26, 123,021.48 and 25,852.88 is: 38,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,011.26 : 123,021.48 = 25,852.88 : x
  2. Step 2: Convert to fraction form
    82,011.26/123,021.48 = 25,852.88/x
  3. Step 3: Cross multiply
    82,011.26x = 123,021.48 × 25,852.88
  4. Step 4: Simplify right side
    82,011.26x = 3,180,459,559.86
  5. Step 5: Solve for x
    x = 3,180,459,559.86/82,011.26
  6. Step 6: Final answer
    x = 38,780.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.