Home / 57,171.59-85,766.47-17,720.54

Finding the Fourth Proportional to 57,171.59, 85,766.47 and 17,720.54

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Solution

The fourth proportional to 57,171.59, 85,766.47 and 17,720.54 is: 26,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171.59 : 85,766.47 = 17,720.54 : x
  2. Step 2: Convert to fraction form
    57,171.59/85,766.47 = 17,720.54/x
  3. Step 3: Cross multiply
    57,171.59x = 85,766.47 × 17,720.54
  4. Step 4: Simplify right side
    57,171.59x = 1,519,827,689.16
  5. Step 5: Solve for x
    x = 1,519,827,689.16/57,171.59
  6. Step 6: Final answer
    x = 26,583.62

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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.