Home / 67,845.66-101,731.14-53,895.12

Finding the Fourth Proportional to 67,845.66, 101,731.14 and 53,895.12

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Solution

The fourth proportional to 67,845.66, 101,731.14 and 53,895.12 is: 80,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.66 : 101,731.14 = 53,895.12 : x
  2. Step 2: Convert to fraction form
    67,845.66/101,731.14 = 53,895.12/x
  3. Step 3: Cross multiply
    67,845.66x = 101,731.14 × 53,895.12
  4. Step 4: Simplify right side
    67,845.66x = 5,482,811,998.04
  5. Step 5: Solve for x
    x = 5,482,811,998.04/67,845.66
  6. Step 6: Final answer
    x = 80,813.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.