Home / 55,675.56-83,518.20-14,122.56

Finding the Fourth Proportional to 55,675.56, 83,518.20 and 14,122.56

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Solution

The fourth proportional to 55,675.56, 83,518.20 and 14,122.56 is: 21,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,675.56 : 83,518.20 = 14,122.56 : x
  2. Step 2: Convert to fraction form
    55,675.56/83,518.20 = 14,122.56/x
  3. Step 3: Cross multiply
    55,675.56x = 83,518.20 × 14,122.56
  4. Step 4: Simplify right side
    55,675.56x = 1,179,490,790.59
  5. Step 5: Solve for x
    x = 1,179,490,790.59/55,675.56
  6. Step 6: Final answer
    x = 21,185.07

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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.