Home / 127,805.78-191,701.67-39,059.24

Finding the Fourth Proportional to 127,805.78, 191,701.67 and 39,059.24

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Solution

The fourth proportional to 127,805.78, 191,701.67 and 39,059.24 is: 58,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,805.78 : 191,701.67 = 39,059.24 : x
  2. Step 2: Convert to fraction form
    127,805.78/191,701.67 = 39,059.24/x
  3. Step 3: Cross multiply
    127,805.78x = 191,701.67 × 39,059.24
  4. Step 4: Simplify right side
    127,805.78x = 7,487,720,383.13
  5. Step 5: Solve for x
    x = 7,487,720,383.13/127,805.78
  6. Step 6: Final answer
    x = 58,586.71

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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.