Home / 87,239.19-120,409.83-60,051.54

Finding the Fourth Proportional to 87,239.19, 120,409.83 and 60,051.54

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Solution

The fourth proportional to 87,239.19, 120,409.83 and 60,051.54 is: 82,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,239.19 : 120,409.83 = 60,051.54 : x
  2. Step 2: Convert to fraction form
    87,239.19/120,409.83 = 60,051.54/x
  3. Step 3: Cross multiply
    87,239.19x = 120,409.83 × 60,051.54
  4. Step 4: Simplify right side
    87,239.19x = 7,230,795,722.64
  5. Step 5: Solve for x
    x = 7,230,795,722.64/87,239.19
  6. Step 6: Final answer
    x = 82,884.72

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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.