Home / 56,825.60-85,170.32-40,160.64

Finding the Fourth Proportional to 56,825.60, 85,170.32 and 40,160.64

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Solution

The fourth proportional to 56,825.60, 85,170.32 and 40,160.64 is: 60,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,825.60 : 85,170.32 = 40,160.64 : x
  2. Step 2: Convert to fraction form
    56,825.60/85,170.32 = 40,160.64/x
  3. Step 3: Cross multiply
    56,825.60x = 85,170.32 × 40,160.64
  4. Step 4: Simplify right side
    56,825.60x = 3,420,494,560.20
  5. Step 5: Solve for x
    x = 3,420,494,560.20/56,825.60
  6. Step 6: Final answer
    x = 60,192.85

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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.