Home / 86,383.46-119,204.36-47,620.04

Finding the Fourth Proportional to 86,383.46, 119,204.36 and 47,620.04

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Solution

The fourth proportional to 86,383.46, 119,204.36 and 47,620.04 is: 65,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,383.46 : 119,204.36 = 47,620.04 : x
  2. Step 2: Convert to fraction form
    86,383.46/119,204.36 = 47,620.04/x
  3. Step 3: Cross multiply
    86,383.46x = 119,204.36 × 47,620.04
  4. Step 4: Simplify right side
    86,383.46x = 5,676,515,735.83
  5. Step 5: Solve for x
    x = 5,676,515,735.83/86,383.46
  6. Step 6: Final answer
    x = 65,712.99

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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.