Home / 55,182.12-82,715.76-25,575.61

Finding the Fourth Proportional to 55,182.12, 82,715.76 and 25,575.61

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Solution

The fourth proportional to 55,182.12, 82,715.76 and 25,575.61 is: 38,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.12 : 82,715.76 = 25,575.61 : x
  2. Step 2: Convert to fraction form
    55,182.12/82,715.76 = 25,575.61/x
  3. Step 3: Cross multiply
    55,182.12x = 82,715.76 × 25,575.61
  4. Step 4: Simplify right side
    55,182.12x = 2,115,505,811.82
  5. Step 5: Solve for x
    x = 2,115,505,811.82/55,182.12
  6. Step 6: Final answer
    x = 38,336.80

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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.