Home / 43,707.47-65,504.30-31,739.85

Finding the Fourth Proportional to 43,707.47, 65,504.30 and 31,739.85

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Solution

The fourth proportional to 43,707.47, 65,504.30 and 31,739.85 is: 47,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,707.47 : 65,504.30 = 31,739.85 : x
  2. Step 2: Convert to fraction form
    43,707.47/65,504.30 = 31,739.85/x
  3. Step 3: Cross multiply
    43,707.47x = 65,504.30 × 31,739.85
  4. Step 4: Simplify right side
    43,707.47x = 2,079,096,497.66
  5. Step 5: Solve for x
    x = 2,079,096,497.66/43,707.47
  6. Step 6: Final answer
    x = 47,568.45

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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.