Home / 56,835.64-78,408.30-54,200.44

Finding the Fourth Proportional to 56,835.64, 78,408.30 and 54,200.44

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Solution

The fourth proportional to 56,835.64, 78,408.30 and 54,200.44 is: 74,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,835.64 : 78,408.30 = 54,200.44 : x
  2. Step 2: Convert to fraction form
    56,835.64/78,408.30 = 54,200.44/x
  3. Step 3: Cross multiply
    56,835.64x = 78,408.30 × 54,200.44
  4. Step 4: Simplify right side
    56,835.64x = 4,249,764,359.65
  5. Step 5: Solve for x
    x = 4,249,764,359.65/56,835.64
  6. Step 6: Final answer
    x = 74,772.88

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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.