Home / 127,699.14-191,577-38,959.44

Finding the Fourth Proportional to 127,699.14, 191,577 and 38,959.44

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Solution

The fourth proportional to 127,699.14, 191,577 and 38,959.44 is: 58,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.14 : 191,577 = 38,959.44 : x
  2. Step 2: Convert to fraction form
    127,699.14/191,577 = 38,959.44/x
  3. Step 3: Cross multiply
    127,699.14x = 191,577 × 38,959.44
  4. Step 4: Simplify right side
    127,699.14x = 7,463,732,636.88
  5. Step 5: Solve for x
    x = 7,463,732,636.88/127,699.14
  6. Step 6: Final answer
    x = 58,447.79

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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.