Home / 55,579.20-76,710.64-37,679.96

Finding the Fourth Proportional to 55,579.20, 76,710.64 and 37,679.96

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Solution

The fourth proportional to 55,579.20, 76,710.64 and 37,679.96 is: 52,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.20 : 76,710.64 = 37,679.96 : x
  2. Step 2: Convert to fraction form
    55,579.20/76,710.64 = 37,679.96/x
  3. Step 3: Cross multiply
    55,579.20x = 76,710.64 × 37,679.96
  4. Step 4: Simplify right side
    55,579.20x = 2,890,453,846.77
  5. Step 5: Solve for x
    x = 2,890,453,846.77/55,579.20
  6. Step 6: Final answer
    x = 52,006.04

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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.