Home / 55,955.88-83,933.83-18,505.90

Finding the Fourth Proportional to 55,955.88, 83,933.83 and 18,505.90

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Solution

The fourth proportional to 55,955.88, 83,933.83 and 18,505.90 is: 27,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,955.88 : 83,933.83 = 18,505.90 : x
  2. Step 2: Convert to fraction form
    55,955.88/83,933.83 = 18,505.90/x
  3. Step 3: Cross multiply
    55,955.88x = 83,933.83 × 18,505.90
  4. Step 4: Simplify right side
    55,955.88x = 1,553,270,762.23
  5. Step 5: Solve for x
    x = 1,553,270,762.23/55,955.88
  6. Step 6: Final answer
    x = 27,758.85

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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.