Home / 84,243.51-126,302.04-50,956.74

Finding the Fourth Proportional to 84,243.51, 126,302.04 and 50,956.74

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Solution

The fourth proportional to 84,243.51, 126,302.04 and 50,956.74 is: 76,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,243.51 : 126,302.04 = 50,956.74 : x
  2. Step 2: Convert to fraction form
    84,243.51/126,302.04 = 50,956.74/x
  3. Step 3: Cross multiply
    84,243.51x = 126,302.04 × 50,956.74
  4. Step 4: Simplify right side
    84,243.51x = 6,435,940,213.75
  5. Step 5: Solve for x
    x = 6,435,940,213.75/84,243.51
  6. Step 6: Final answer
    x = 76,396.87

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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.