Home / 82,352.84-123,475.93-54,187.61

Finding the Fourth Proportional to 82,352.84, 123,475.93 and 54,187.61

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Solution

The fourth proportional to 82,352.84, 123,475.93 and 54,187.61 is: 81,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,352.84 : 123,475.93 = 54,187.61 : x
  2. Step 2: Convert to fraction form
    82,352.84/123,475.93 = 54,187.61/x
  3. Step 3: Cross multiply
    82,352.84x = 123,475.93 × 54,187.61
  4. Step 4: Simplify right side
    82,352.84x = 6,690,864,786.38
  5. Step 5: Solve for x
    x = 6,690,864,786.38/82,352.84
  6. Step 6: Final answer
    x = 81,246.32

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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.