Home / 104,958.09-144,843.68-57,211.45

Finding the Fourth Proportional to 104,958.09, 144,843.68 and 57,211.45

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Solution

The fourth proportional to 104,958.09, 144,843.68 and 57,211.45 is: 78,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,958.09 : 144,843.68 = 57,211.45 : x
  2. Step 2: Convert to fraction form
    104,958.09/144,843.68 = 57,211.45/x
  3. Step 3: Cross multiply
    104,958.09x = 144,843.68 × 57,211.45
  4. Step 4: Simplify right side
    104,958.09x = 8,286,716,737.06
  5. Step 5: Solve for x
    x = 8,286,716,737.06/104,958.09
  6. Step 6: Final answer
    x = 78,952.63

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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.