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Finding the Fourth Proportional to 56,959.56, 85,527 and 50,777.64

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Solution

The fourth proportional to 56,959.56, 85,527 and 50,777.64 is: 76,244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959.56 : 85,527 = 50,777.64 : x
  2. Step 2: Convert to fraction form
    56,959.56/85,527 = 50,777.64/x
  3. Step 3: Cross multiply
    56,959.56x = 85,527 × 50,777.64
  4. Step 4: Simplify right side
    56,959.56x = 4,342,859,216.28
  5. Step 5: Solve for x
    x = 4,342,859,216.28/56,959.56
  6. Step 6: Final answer
    x = 76,244.61

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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.