Home / 55,092.09-82,661.52-30,102.95

Finding the Fourth Proportional to 55,092.09, 82,661.52 and 30,102.95

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Solution

The fourth proportional to 55,092.09, 82,661.52 and 30,102.95 is: 45,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,092.09 : 82,661.52 = 30,102.95 : x
  2. Step 2: Convert to fraction form
    55,092.09/82,661.52 = 30,102.95/x
  3. Step 3: Cross multiply
    55,092.09x = 82,661.52 × 30,102.95
  4. Step 4: Simplify right side
    55,092.09x = 2,488,355,923.02
  5. Step 5: Solve for x
    x = 2,488,355,923.02/55,092.09
  6. Step 6: Final answer
    x = 45,167.21

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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.