Home / 56,797.15-78,380.60-31,304.43

Finding the Fourth Proportional to 56,797.15, 78,380.60 and 31,304.43

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Solution

The fourth proportional to 56,797.15, 78,380.60 and 31,304.43 is: 43,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,797.15 : 78,380.60 = 31,304.43 : x
  2. Step 2: Convert to fraction form
    56,797.15/78,380.60 = 31,304.43/x
  3. Step 3: Cross multiply
    56,797.15x = 78,380.60 × 31,304.43
  4. Step 4: Simplify right side
    56,797.15x = 2,453,660,006.06
  5. Step 5: Solve for x
    x = 2,453,660,006.06/56,797.15
  6. Step 6: Final answer
    x = 43,200.41

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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.