Home / 82,194.15-123,330.23-56,932.51

Finding the Fourth Proportional to 82,194.15, 123,330.23 and 56,932.51

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Solution

The fourth proportional to 82,194.15, 123,330.23 and 56,932.51 is: 85,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,194.15 : 123,330.23 = 56,932.51 : x
  2. Step 2: Convert to fraction form
    82,194.15/123,330.23 = 56,932.51/x
  3. Step 3: Cross multiply
    82,194.15x = 123,330.23 × 56,932.51
  4. Step 4: Simplify right side
    82,194.15x = 7,021,498,959.79
  5. Step 5: Solve for x
    x = 7,021,498,959.79/82,194.15
  6. Step 6: Final answer
    x = 85,425.77

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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.