Home / 55,553.20-83,086.80-49,672.60

Finding the Fourth Proportional to 55,553.20, 83,086.80 and 49,672.60

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Solution

The fourth proportional to 55,553.20, 83,086.80 and 49,672.60 is: 74,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.20 : 83,086.80 = 49,672.60 : x
  2. Step 2: Convert to fraction form
    55,553.20/83,086.80 = 49,672.60/x
  3. Step 3: Cross multiply
    55,553.20x = 83,086.80 × 49,672.60
  4. Step 4: Simplify right side
    55,553.20x = 4,127,137,381.68
  5. Step 5: Solve for x
    x = 4,127,137,381.68/55,553.20
  6. Step 6: Final answer
    x = 74,291.62

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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.