Home / 101,936.98-140,693.73-58,918.30

Finding the Fourth Proportional to 101,936.98, 140,693.73 and 58,918.30

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Solution

The fourth proportional to 101,936.98, 140,693.73 and 58,918.30 is: 81,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,936.98 : 140,693.73 = 58,918.30 : x
  2. Step 2: Convert to fraction form
    101,936.98/140,693.73 = 58,918.30/x
  3. Step 3: Cross multiply
    101,936.98x = 140,693.73 × 58,918.30
  4. Step 4: Simplify right side
    101,936.98x = 8,289,435,392.26
  5. Step 5: Solve for x
    x = 8,289,435,392.26/101,936.98
  6. Step 6: Final answer
    x = 81,319.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.