Home / 82,540.36-123,870.66-29,954.08

Finding the Fourth Proportional to 82,540.36, 123,870.66 and 29,954.08

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Solution

The fourth proportional to 82,540.36, 123,870.66 and 29,954.08 is: 44,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,540.36 : 123,870.66 = 29,954.08 : x
  2. Step 2: Convert to fraction form
    82,540.36/123,870.66 = 29,954.08/x
  3. Step 3: Cross multiply
    82,540.36x = 123,870.66 × 29,954.08
  4. Step 4: Simplify right side
    82,540.36x = 3,710,431,659.29
  5. Step 5: Solve for x
    x = 3,710,431,659.29/82,540.36
  6. Step 6: Final answer
    x = 44,952.94

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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.