Home / 123,091.19-184,636.84-38,859.90

Finding the Fourth Proportional to 123,091.19, 184,636.84 and 38,859.90

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Solution

The fourth proportional to 123,091.19, 184,636.84 and 38,859.90 is: 58,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,091.19 : 184,636.84 = 38,859.90 : x
  2. Step 2: Convert to fraction form
    123,091.19/184,636.84 = 38,859.90/x
  3. Step 3: Cross multiply
    123,091.19x = 184,636.84 × 38,859.90
  4. Step 4: Simplify right side
    123,091.19x = 7,174,968,215.53
  5. Step 5: Solve for x
    x = 7,174,968,215.53/123,091.19
  6. Step 6: Final answer
    x = 58,289.86

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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.