Home / 53,238.08-79,912.48-39,213.94

Finding the Fourth Proportional to 53,238.08, 79,912.48 and 39,213.94

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Solution

The fourth proportional to 53,238.08, 79,912.48 and 39,213.94 is: 58,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.08 : 79,912.48 = 39,213.94 : x
  2. Step 2: Convert to fraction form
    53,238.08/79,912.48 = 39,213.94/x
  3. Step 3: Cross multiply
    53,238.08x = 79,912.48 × 39,213.94
  4. Step 4: Simplify right side
    53,238.08x = 3,133,683,195.97
  5. Step 5: Solve for x
    x = 3,133,683,195.97/53,238.08
  6. Step 6: Final answer
    x = 58,861.69

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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.