Home / 43,475.20-65,083.20-38,809.60

Finding the Fourth Proportional to 43,475.20, 65,083.20 and 38,809.60

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Solution

The fourth proportional to 43,475.20, 65,083.20 and 38,809.60 is: 58,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,475.20 : 65,083.20 = 38,809.60 : x
  2. Step 2: Convert to fraction form
    43,475.20/65,083.20 = 38,809.60/x
  3. Step 3: Cross multiply
    43,475.20x = 65,083.20 × 38,809.60
  4. Step 4: Simplify right side
    43,475.20x = 2,525,852,958.72
  5. Step 5: Solve for x
    x = 2,525,852,958.72/43,475.20
  6. Step 6: Final answer
    x = 58,098.71

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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.