Home / 61,180.14-91,715.85-21,732.06

Finding the Fourth Proportional to 61,180.14, 91,715.85 and 21,732.06

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Solution

The fourth proportional to 61,180.14, 91,715.85 and 21,732.06 is: 32,578.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,180.14 : 91,715.85 = 21,732.06 : x
  2. Step 2: Convert to fraction form
    61,180.14/91,715.85 = 21,732.06/x
  3. Step 3: Cross multiply
    61,180.14x = 91,715.85 × 21,732.06
  4. Step 4: Simplify right side
    61,180.14x = 1,993,174,355.15
  5. Step 5: Solve for x
    x = 1,993,174,355.15/61,180.14
  6. Step 6: Final answer
    x = 32,578.78

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1.5x scale

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.