Home / 56,719.26-85,083.60-17,276.70

Finding the Fourth Proportional to 56,719.26, 85,083.60 and 17,276.70

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Solution

The fourth proportional to 56,719.26, 85,083.60 and 17,276.70 is: 25,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,719.26 : 85,083.60 = 17,276.70 : x
  2. Step 2: Convert to fraction form
    56,719.26/85,083.60 = 17,276.70/x
  3. Step 3: Cross multiply
    56,719.26x = 85,083.60 × 17,276.70
  4. Step 4: Simplify right side
    56,719.26x = 1,469,963,832.12
  5. Step 5: Solve for x
    x = 1,469,963,832.12/56,719.26
  6. Step 6: Final answer
    x = 25,916.48

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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.