Home / 45,769.90-68,645.52-16,188.70

Finding the Fourth Proportional to 45,769.90, 68,645.52 and 16,188.70

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Solution

The fourth proportional to 45,769.90, 68,645.52 and 16,188.70 is: 24,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,769.90 : 68,645.52 = 16,188.70 : x
  2. Step 2: Convert to fraction form
    45,769.90/68,645.52 = 16,188.70/x
  3. Step 3: Cross multiply
    45,769.90x = 68,645.52 × 16,188.70
  4. Step 4: Simplify right side
    45,769.90x = 1,111,281,729.62
  5. Step 5: Solve for x
    x = 1,111,281,729.62/45,769.90
  6. Step 6: Final answer
    x = 24,279.75

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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.