Home / 65,819.80-98,664.90-32,512.60

Finding the Fourth Proportional to 65,819.80, 98,664.90 and 32,512.60

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Solution

The fourth proportional to 65,819.80, 98,664.90 and 32,512.60 is: 48,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,819.80 : 98,664.90 = 32,512.60 : x
  2. Step 2: Convert to fraction form
    65,819.80/98,664.90 = 32,512.60/x
  3. Step 3: Cross multiply
    65,819.80x = 98,664.90 × 32,512.60
  4. Step 4: Simplify right side
    65,819.80x = 3,207,852,427.74
  5. Step 5: Solve for x
    x = 3,207,852,427.74/65,819.80
  6. Step 6: Final answer
    x = 48,736.89

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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.