Home / 89,202.45-123,105.09-58,934.69

Finding the Fourth Proportional to 89,202.45, 123,105.09 and 58,934.69

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Solution

The fourth proportional to 89,202.45, 123,105.09 and 58,934.69 is: 81,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,202.45 : 123,105.09 = 58,934.69 : x
  2. Step 2: Convert to fraction form
    89,202.45/123,105.09 = 58,934.69/x
  3. Step 3: Cross multiply
    89,202.45x = 123,105.09 × 58,934.69
  4. Step 4: Simplify right side
    89,202.45x = 7,255,159,701.05
  5. Step 5: Solve for x
    x = 7,255,159,701.05/89,202.45
  6. Step 6: Final answer
    x = 81,333.64

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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.