Home / 55,969.24-83,894.72-18,519.70

Finding the Fourth Proportional to 55,969.24, 83,894.72 and 18,519.70

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Solution

The fourth proportional to 55,969.24, 83,894.72 and 18,519.70 is: 27,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,969.24 : 83,894.72 = 18,519.70 : x
  2. Step 2: Convert to fraction form
    55,969.24/83,894.72 = 18,519.70/x
  3. Step 3: Cross multiply
    55,969.24x = 83,894.72 × 18,519.70
  4. Step 4: Simplify right side
    55,969.24x = 1,553,705,045.98
  5. Step 5: Solve for x
    x = 1,553,705,045.98/55,969.24
  6. Step 6: Final answer
    x = 27,759.98

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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.