Home / 56,745.68-78,304.20-31,597.52

Finding the Fourth Proportional to 56,745.68, 78,304.20 and 31,597.52

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Solution

The fourth proportional to 56,745.68, 78,304.20 and 31,597.52 is: 43,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745.68 : 78,304.20 = 31,597.52 : x
  2. Step 2: Convert to fraction form
    56,745.68/78,304.20 = 31,597.52/x
  3. Step 3: Cross multiply
    56,745.68x = 78,304.20 × 31,597.52
  4. Step 4: Simplify right side
    56,745.68x = 2,474,218,525.58
  5. Step 5: Solve for x
    x = 2,474,218,525.58/56,745.68
  6. Step 6: Final answer
    x = 43,601.88

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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.