Home / 55,558.92-83,385.11-52,055.78

Finding the Fourth Proportional to 55,558.92, 83,385.11 and 52,055.78

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Solution

The fourth proportional to 55,558.92, 83,385.11 and 52,055.78 is: 78,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.92 : 83,385.11 = 52,055.78 : x
  2. Step 2: Convert to fraction form
    55,558.92/83,385.11 = 52,055.78/x
  3. Step 3: Cross multiply
    55,558.92x = 83,385.11 × 52,055.78
  4. Step 4: Simplify right side
    55,558.92x = 4,340,676,654.65
  5. Step 5: Solve for x
    x = 4,340,676,654.65/55,558.92
  6. Step 6: Final answer
    x = 78,127.44

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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.