Home / 84,205.96-116,153.22-50,191.78

Finding the Fourth Proportional to 84,205.96, 116,153.22 and 50,191.78

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Solution

The fourth proportional to 84,205.96, 116,153.22 and 50,191.78 is: 69,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.96 : 116,153.22 = 50,191.78 : x
  2. Step 2: Convert to fraction form
    84,205.96/116,153.22 = 50,191.78/x
  3. Step 3: Cross multiply
    84,205.96x = 116,153.22 × 50,191.78
  4. Step 4: Simplify right side
    84,205.96x = 5,829,936,864.53
  5. Step 5: Solve for x
    x = 5,829,936,864.53/84,205.96
  6. Step 6: Final answer
    x = 69,234.25

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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.