Home / 82,318.06-123,477.09-29,726.38

Finding the Fourth Proportional to 82,318.06, 123,477.09 and 29,726.38

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Solution

The fourth proportional to 82,318.06, 123,477.09 and 29,726.38 is: 44,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,318.06 : 123,477.09 = 29,726.38 : x
  2. Step 2: Convert to fraction form
    82,318.06/123,477.09 = 29,726.38/x
  3. Step 3: Cross multiply
    82,318.06x = 123,477.09 × 29,726.38
  4. Step 4: Simplify right side
    82,318.06x = 3,670,526,898.63
  5. Step 5: Solve for x
    x = 3,670,526,898.63/82,318.06
  6. Step 6: Final answer
    x = 44,589.57

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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.