Home / 51,282.72-76,935.20-15,744.16

Finding the Fourth Proportional to 51,282.72, 76,935.20 and 15,744.16

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Solution

The fourth proportional to 51,282.72, 76,935.20 and 15,744.16 is: 23,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282.72 : 76,935.20 = 15,744.16 : x
  2. Step 2: Convert to fraction form
    51,282.72/76,935.20 = 15,744.16/x
  3. Step 3: Cross multiply
    51,282.72x = 76,935.20 × 15,744.16
  4. Step 4: Simplify right side
    51,282.72x = 1,211,280,098.43
  5. Step 5: Solve for x
    x = 1,211,280,098.43/51,282.72
  6. Step 6: Final answer
    x = 23,619.65

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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.