Home / 85,997.22-118,673.94-47,755.80

Finding the Fourth Proportional to 85,997.22, 118,673.94 and 47,755.80

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Solution

The fourth proportional to 85,997.22, 118,673.94 and 47,755.80 is: 65,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,997.22 : 118,673.94 = 47,755.80 : x
  2. Step 2: Convert to fraction form
    85,997.22/118,673.94 = 47,755.80/x
  3. Step 3: Cross multiply
    85,997.22x = 118,673.94 × 47,755.80
  4. Step 4: Simplify right side
    85,997.22x = 5,667,368,943.85
  5. Step 5: Solve for x
    x = 5,667,368,943.85/85,997.22
  6. Step 6: Final answer
    x = 65,901.77

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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.