Home / 56,178.04-77,525.22-31,027

Finding the Fourth Proportional to 56,178.04, 77,525.22 and 31,027

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Solution

The fourth proportional to 56,178.04, 77,525.22 and 31,027 is: 42,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.04 : 77,525.22 = 31,027 : x
  2. Step 2: Convert to fraction form
    56,178.04/77,525.22 = 31,027/x
  3. Step 3: Cross multiply
    56,178.04x = 77,525.22 × 31,027
  4. Step 4: Simplify right side
    56,178.04x = 2,405,375,000.94
  5. Step 5: Solve for x
    x = 2,405,375,000.94/56,178.04
  6. Step 6: Final answer
    x = 42,817.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.