Home / 104,661.40-144,381.95-62,189.86

Finding the Fourth Proportional to 104,661.40, 144,381.95 and 62,189.86

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Solution

The fourth proportional to 104,661.40, 144,381.95 and 62,189.86 is: 85,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.40 : 144,381.95 = 62,189.86 : x
  2. Step 2: Convert to fraction form
    104,661.40/144,381.95 = 62,189.86/x
  3. Step 3: Cross multiply
    104,661.40x = 144,381.95 × 62,189.86
  4. Step 4: Simplify right side
    104,661.40x = 8,979,093,257.03
  5. Step 5: Solve for x
    x = 8,979,093,257.03/104,661.40
  6. Step 6: Final answer
    x = 85,791.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.