Home / 65,926.20-98,819.60-21,541.04

Finding the Fourth Proportional to 65,926.20, 98,819.60 and 21,541.04

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Solution

The fourth proportional to 65,926.20, 98,819.60 and 21,541.04 is: 32,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,926.20 : 98,819.60 = 21,541.04 : x
  2. Step 2: Convert to fraction form
    65,926.20/98,819.60 = 21,541.04/x
  3. Step 3: Cross multiply
    65,926.20x = 98,819.60 × 21,541.04
  4. Step 4: Simplify right side
    65,926.20x = 2,128,676,725.15
  5. Step 5: Solve for x
    x = 2,128,676,725.15/65,926.20
  6. Step 6: Final answer
    x = 32,288.78

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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.