Home / 55,712.40-83,633.40-33,550.80

Finding the Fourth Proportional to 55,712.40, 83,633.40 and 33,550.80

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Solution

The fourth proportional to 55,712.40, 83,633.40 and 33,550.80 is: 50,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712.40 : 83,633.40 = 33,550.80 : x
  2. Step 2: Convert to fraction form
    55,712.40/83,633.40 = 33,550.80/x
  3. Step 3: Cross multiply
    55,712.40x = 83,633.40 × 33,550.80
  4. Step 4: Simplify right side
    55,712.40x = 2,805,967,476.72
  5. Step 5: Solve for x
    x = 2,805,967,476.72/55,712.40
  6. Step 6: Final answer
    x = 50,365.22

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1.5x scale

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.