Home / 45,950.56-68,935.07-20,983.91

Finding the Fourth Proportional to 45,950.56, 68,935.07 and 20,983.91

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Solution

The fourth proportional to 45,950.56, 68,935.07 and 20,983.91 is: 31,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,950.56 : 68,935.07 = 20,983.91 : x
  2. Step 2: Convert to fraction form
    45,950.56/68,935.07 = 20,983.91/x
  3. Step 3: Cross multiply
    45,950.56x = 68,935.07 × 20,983.91
  4. Step 4: Simplify right side
    45,950.56x = 1,446,526,855.13
  5. Step 5: Solve for x
    x = 1,446,526,855.13/45,950.56
  6. Step 6: Final answer
    x = 31,480.07

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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.