Home / 56,760.55-85,140.92-17,317.40

Finding the Fourth Proportional to 56,760.55, 85,140.92 and 17,317.40

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Solution

The fourth proportional to 56,760.55, 85,140.92 and 17,317.40 is: 25,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.55 : 85,140.92 = 17,317.40 : x
  2. Step 2: Convert to fraction form
    56,760.55/85,140.92 = 17,317.40/x
  3. Step 3: Cross multiply
    56,760.55x = 85,140.92 × 17,317.40
  4. Step 4: Simplify right side
    56,760.55x = 1,474,418,985.60
  5. Step 5: Solve for x
    x = 1,474,418,985.60/56,760.55
  6. Step 6: Final answer
    x = 25,976.12

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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.