Home / 105,580.35-158,393.90-58,171.03

Finding the Fourth Proportional to 105,580.35, 158,393.90 and 58,171.03

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Solution

The fourth proportional to 105,580.35, 158,393.90 and 58,171.03 is: 87,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,580.35 : 158,393.90 = 58,171.03 : x
  2. Step 2: Convert to fraction form
    105,580.35/158,393.90 = 58,171.03/x
  3. Step 3: Cross multiply
    105,580.35x = 158,393.90 × 58,171.03
  4. Step 4: Simplify right side
    105,580.35x = 9,213,936,058.16
  5. Step 5: Solve for x
    x = 9,213,936,058.16/105,580.35
  6. Step 6: Final answer
    x = 87,269.42

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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.