Home / 51,176.63-76,754.36-13,727.81

Finding the Fourth Proportional to 51,176.63, 76,754.36 and 13,727.81

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Solution

The fourth proportional to 51,176.63, 76,754.36 and 13,727.81 is: 20,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.63 : 76,754.36 = 13,727.81 : x
  2. Step 2: Convert to fraction form
    51,176.63/76,754.36 = 13,727.81/x
  3. Step 3: Cross multiply
    51,176.63x = 76,754.36 × 13,727.81
  4. Step 4: Simplify right side
    51,176.63x = 1,053,668,921.30
  5. Step 5: Solve for x
    x = 1,053,668,921.30/51,176.63
  6. Step 6: Final answer
    x = 20,588.87

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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.