Home / 56,107.20-84,206.70-55,669.80

Finding the Fourth Proportional to 56,107.20, 84,206.70 and 55,669.80

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Solution

The fourth proportional to 56,107.20, 84,206.70 and 55,669.80 is: 83,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,107.20 : 84,206.70 = 55,669.80 : x
  2. Step 2: Convert to fraction form
    56,107.20/84,206.70 = 55,669.80/x
  3. Step 3: Cross multiply
    56,107.20x = 84,206.70 × 55,669.80
  4. Step 4: Simplify right side
    56,107.20x = 4,687,770,147.66
  5. Step 5: Solve for x
    x = 4,687,770,147.66/56,107.20
  6. Step 6: Final answer
    x = 83,550.24

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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.