Home / 65,669.16-90,626.94-37,383.96

Finding the Fourth Proportional to 65,669.16, 90,626.94 and 37,383.96

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Solution

The fourth proportional to 65,669.16, 90,626.94 and 37,383.96 is: 51,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,669.16 : 90,626.94 = 37,383.96 : x
  2. Step 2: Convert to fraction form
    65,669.16/90,626.94 = 37,383.96/x
  3. Step 3: Cross multiply
    65,669.16x = 90,626.94 × 37,383.96
  4. Step 4: Simplify right side
    65,669.16x = 3,387,993,899.88
  5. Step 5: Solve for x
    x = 3,387,993,899.88/65,669.16
  6. Step 6: Final answer
    x = 51,591.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.