Home / 55,943.20-83,960.70-55,505.80

Finding the Fourth Proportional to 55,943.20, 83,960.70 and 55,505.80

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Solution

The fourth proportional to 55,943.20, 83,960.70 and 55,505.80 is: 83,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,943.20 : 83,960.70 = 55,505.80 : x
  2. Step 2: Convert to fraction form
    55,943.20/83,960.70 = 55,505.80/x
  3. Step 3: Cross multiply
    55,943.20x = 83,960.70 × 55,505.80
  4. Step 4: Simplify right side
    55,943.20x = 4,660,305,822.06
  5. Step 5: Solve for x
    x = 4,660,305,822.06/55,943.20
  6. Step 6: Final answer
    x = 83,304.24

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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.