Home / 55,309.33-82,976.28-15,863.41

Finding the Fourth Proportional to 55,309.33, 82,976.28 and 15,863.41

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Solution

The fourth proportional to 55,309.33, 82,976.28 and 15,863.41 is: 23,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309.33 : 82,976.28 = 15,863.41 : x
  2. Step 2: Convert to fraction form
    55,309.33/82,976.28 = 15,863.41/x
  3. Step 3: Cross multiply
    55,309.33x = 82,976.28 × 15,863.41
  4. Step 4: Simplify right side
    55,309.33x = 1,316,286,749.91
  5. Step 5: Solve for x
    x = 1,316,286,749.91/55,309.33
  6. Step 6: Final answer
    x = 23,798.64

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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.