Home / 65,936.96-90,962.84-39,064.19

Finding the Fourth Proportional to 65,936.96, 90,962.84 and 39,064.19

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Solution

The fourth proportional to 65,936.96, 90,962.84 and 39,064.19 is: 53,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936.96 : 90,962.84 = 39,064.19 : x
  2. Step 2: Convert to fraction form
    65,936.96/90,962.84 = 39,064.19/x
  3. Step 3: Cross multiply
    65,936.96x = 90,962.84 × 39,064.19
  4. Step 4: Simplify right side
    65,936.96x = 3,553,389,014.56
  5. Step 5: Solve for x
    x = 3,553,389,014.56/65,936.96
  6. Step 6: Final answer
    x = 53,890.71

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1.5x scale

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.