Home / 43,707.16-65,511.12-38,431.96

Finding the Fourth Proportional to 43,707.16, 65,511.12 and 38,431.96

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Solution

The fourth proportional to 43,707.16, 65,511.12 and 38,431.96 is: 57,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,707.16 : 65,511.12 = 38,431.96 : x
  2. Step 2: Convert to fraction form
    43,707.16/65,511.12 = 38,431.96/x
  3. Step 3: Cross multiply
    43,707.16x = 65,511.12 × 38,431.96
  4. Step 4: Simplify right side
    43,707.16x = 2,517,720,743.40
  5. Step 5: Solve for x
    x = 2,517,720,743.40/43,707.16
  6. Step 6: Final answer
    x = 57,604.31

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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.