Home / 105,502.25-158,292.26-55,580.33

Finding the Fourth Proportional to 105,502.25, 158,292.26 and 55,580.33

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Solution

The fourth proportional to 105,502.25, 158,292.26 and 55,580.33 is: 83,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,502.25 : 158,292.26 = 55,580.33 : x
  2. Step 2: Convert to fraction form
    105,502.25/158,292.26 = 55,580.33/x
  3. Step 3: Cross multiply
    105,502.25x = 158,292.26 × 55,580.33
  4. Step 4: Simplify right side
    105,502.25x = 8,797,936,047.25
  5. Step 5: Solve for x
    x = 8,797,936,047.25/105,502.25
  6. Step 6: Final answer
    x = 83,390.98

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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.