Home / 56,857.38-85,338.60-28,797.16

Finding the Fourth Proportional to 56,857.38, 85,338.60 and 28,797.16

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Solution

The fourth proportional to 56,857.38, 85,338.60 and 28,797.16 is: 43,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,857.38 : 85,338.60 = 28,797.16 : x
  2. Step 2: Convert to fraction form
    56,857.38/85,338.60 = 28,797.16/x
  3. Step 3: Cross multiply
    56,857.38x = 85,338.60 × 28,797.16
  4. Step 4: Simplify right side
    56,857.38x = 2,457,508,747.70
  5. Step 5: Solve for x
    x = 2,457,508,747.70/56,857.38
  6. Step 6: Final answer
    x = 43,222.34

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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.