Home / 87,645.56-120,975.68-51,848.04

Finding the Fourth Proportional to 87,645.56, 120,975.68 and 51,848.04

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Solution

The fourth proportional to 87,645.56, 120,975.68 and 51,848.04 is: 71,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,645.56 : 120,975.68 = 51,848.04 : x
  2. Step 2: Convert to fraction form
    87,645.56/120,975.68 = 51,848.04/x
  3. Step 3: Cross multiply
    87,645.56x = 120,975.68 × 51,848.04
  4. Step 4: Simplify right side
    87,645.56x = 6,272,351,895.67
  5. Step 5: Solve for x
    x = 6,272,351,895.67/87,645.56
  6. Step 6: Final answer
    x = 71,564.97

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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.