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Finding the Fourth Proportional to 85,993.65, 118,667.84 and 47,755.17

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Solution

The fourth proportional to 85,993.65, 118,667.84 and 47,755.17 is: 65,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,993.65 : 118,667.84 = 47,755.17 : x
  2. Step 2: Convert to fraction form
    85,993.65/118,667.84 = 47,755.17/x
  3. Step 3: Cross multiply
    85,993.65x = 118,667.84 × 47,755.17
  4. Step 4: Simplify right side
    85,993.65x = 5,667,002,633.96
  5. Step 5: Solve for x
    x = 5,667,002,633.96/85,993.65
  6. Step 6: Final answer
    x = 65,900.25

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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.