Home / 56,579.74-84,858.67-53,769.85

Finding the Fourth Proportional to 56,579.74, 84,858.67 and 53,769.85

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Solution

The fourth proportional to 56,579.74, 84,858.67 and 53,769.85 is: 80,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.74 : 84,858.67 = 53,769.85 : x
  2. Step 2: Convert to fraction form
    56,579.74/84,858.67 = 53,769.85/x
  3. Step 3: Cross multiply
    56,579.74x = 84,858.67 × 53,769.85
  4. Step 4: Simplify right side
    56,579.74x = 4,562,837,957.10
  5. Step 5: Solve for x
    x = 4,562,837,957.10/56,579.74
  6. Step 6: Final answer
    x = 80,644.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.