Home / 104,971.68-144,860.13-57,227.04

Finding the Fourth Proportional to 104,971.68, 144,860.13 and 57,227.04

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Solution

The fourth proportional to 104,971.68, 144,860.13 and 57,227.04 is: 78,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,971.68 : 144,860.13 = 57,227.04 : x
  2. Step 2: Convert to fraction form
    104,971.68/144,860.13 = 57,227.04/x
  3. Step 3: Cross multiply
    104,971.68x = 144,860.13 × 57,227.04
  4. Step 4: Simplify right side
    104,971.68x = 8,289,916,453.92
  5. Step 5: Solve for x
    x = 8,289,916,453.92/104,971.68
  6. Step 6: Final answer
    x = 78,972.89

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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.