Home / 123,320.84-184,986.40-39,079.14

Finding the Fourth Proportional to 123,320.84, 184,986.40 and 39,079.14

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Solution

The fourth proportional to 123,320.84, 184,986.40 and 39,079.14 is: 58,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,320.84 : 184,986.40 = 39,079.14 : x
  2. Step 2: Convert to fraction form
    123,320.84/184,986.40 = 39,079.14/x
  3. Step 3: Cross multiply
    123,320.84x = 184,986.40 × 39,079.14
  4. Step 4: Simplify right side
    123,320.84x = 7,229,108,498.76
  5. Step 5: Solve for x
    x = 7,229,108,498.76/123,320.84
  6. Step 6: Final answer
    x = 58,620.33

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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.