Home / 105,512.25-158,307.27-55,590.33

Finding the Fourth Proportional to 105,512.25, 158,307.27 and 55,590.33

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Solution

The fourth proportional to 105,512.25, 158,307.27 and 55,590.33 is: 83,405.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,512.25 : 158,307.27 = 55,590.33 : x
  2. Step 2: Convert to fraction form
    105,512.25/158,307.27 = 55,590.33/x
  3. Step 3: Cross multiply
    105,512.25x = 158,307.27 × 55,590.33
  4. Step 4: Simplify right side
    105,512.25x = 8,800,353,380.70
  5. Step 5: Solve for x
    x = 8,800,353,380.70/105,512.25
  6. Step 6: Final answer
    x = 83,405.99

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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.