Home / 51,972.94-71,741.09-30,752.16

Finding the Fourth Proportional to 51,972.94, 71,741.09 and 30,752.16

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Solution

The fourth proportional to 51,972.94, 71,741.09 and 30,752.16 is: 42,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.94 : 71,741.09 = 30,752.16 : x
  2. Step 2: Convert to fraction form
    51,972.94/71,741.09 = 30,752.16/x
  3. Step 3: Cross multiply
    51,972.94x = 71,741.09 × 30,752.16
  4. Step 4: Simplify right side
    51,972.94x = 2,206,193,286.11
  5. Step 5: Solve for x
    x = 2,206,193,286.11/51,972.94
  6. Step 6: Final answer
    x = 42,448.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.