Home / 56,747.20-78,310.80-32,873.36

Finding the Fourth Proportional to 56,747.20, 78,310.80 and 32,873.36

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Solution

The fourth proportional to 56,747.20, 78,310.80 and 32,873.36 is: 45,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,747.20 : 78,310.80 = 32,873.36 : x
  2. Step 2: Convert to fraction form
    56,747.20/78,310.80 = 32,873.36/x
  3. Step 3: Cross multiply
    56,747.20x = 78,310.80 × 32,873.36
  4. Step 4: Simplify right side
    56,747.20x = 2,574,339,120.29
  5. Step 5: Solve for x
    x = 2,574,339,120.29/56,747.20
  6. Step 6: Final answer
    x = 45,365.04

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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.