Home / 45,842.20-68,763.30-14,680.60

Finding the Fourth Proportional to 45,842.20, 68,763.30 and 14,680.60

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Solution

The fourth proportional to 45,842.20, 68,763.30 and 14,680.60 is: 22,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,842.20 : 68,763.30 = 14,680.60 : x
  2. Step 2: Convert to fraction form
    45,842.20/68,763.30 = 14,680.60/x
  3. Step 3: Cross multiply
    45,842.20x = 68,763.30 × 14,680.60
  4. Step 4: Simplify right side
    45,842.20x = 1,009,486,501.98
  5. Step 5: Solve for x
    x = 1,009,486,501.98/45,842.20
  6. Step 6: Final answer
    x = 22,020.90

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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.