Home / 55,176.21-82,749.69-15,185.70

Finding the Fourth Proportional to 55,176.21, 82,749.69 and 15,185.70

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Solution

The fourth proportional to 55,176.21, 82,749.69 and 15,185.70 is: 22,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.21 : 82,749.69 = 15,185.70 : x
  2. Step 2: Convert to fraction form
    55,176.21/82,749.69 = 15,185.70/x
  3. Step 3: Cross multiply
    55,176.21x = 82,749.69 × 15,185.70
  4. Step 4: Simplify right side
    55,176.21x = 1,256,611,967.43
  5. Step 5: Solve for x
    x = 1,256,611,967.43/55,176.21
  6. Step 6: Final answer
    x = 22,774.52

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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.