Home / 66,026.91-98,991.10-39,725.49

Finding the Fourth Proportional to 66,026.91, 98,991.10 and 39,725.49

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Solution

The fourth proportional to 66,026.91, 98,991.10 and 39,725.49 is: 59,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026.91 : 98,991.10 = 39,725.49 : x
  2. Step 2: Convert to fraction form
    66,026.91/98,991.10 = 39,725.49/x
  3. Step 3: Cross multiply
    66,026.91x = 98,991.10 × 39,725.49
  4. Step 4: Simplify right side
    66,026.91x = 3,932,469,953.14
  5. Step 5: Solve for x
    x = 3,932,469,953.14/66,026.91
  6. Step 6: Final answer
    x = 59,558.59

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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.