Home / 56,983.20-78,621.94-45,676.41

Finding the Fourth Proportional to 56,983.20, 78,621.94 and 45,676.41

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Solution

The fourth proportional to 56,983.20, 78,621.94 and 45,676.41 is: 63,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,983.20 : 78,621.94 = 45,676.41 : x
  2. Step 2: Convert to fraction form
    56,983.20/78,621.94 = 45,676.41/x
  3. Step 3: Cross multiply
    56,983.20x = 78,621.94 × 45,676.41
  4. Step 4: Simplify right side
    56,983.20x = 3,591,167,966.44
  5. Step 5: Solve for x
    x = 3,591,167,966.44/56,983.20
  6. Step 6: Final answer
    x = 63,021.52

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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.