Home / 65,534.40-98,107.20-43,372.80

Finding the Fourth Proportional to 65,534.40, 98,107.20 and 43,372.80

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Solution

The fourth proportional to 65,534.40, 98,107.20 and 43,372.80 is: 64,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,534.40 : 98,107.20 = 43,372.80 : x
  2. Step 2: Convert to fraction form
    65,534.40/98,107.20 = 43,372.80/x
  3. Step 3: Cross multiply
    65,534.40x = 98,107.20 × 43,372.80
  4. Step 4: Simplify right side
    65,534.40x = 4,255,183,964.16
  5. Step 5: Solve for x
    x = 4,255,183,964.16/65,534.40
  6. Step 6: Final answer
    x = 64,930.54

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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.