Home / 104,920.92-144,790.88-57,174.26

Finding the Fourth Proportional to 104,920.92, 144,790.88 and 57,174.26

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Solution

The fourth proportional to 104,920.92, 144,790.88 and 57,174.26 is: 78,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,920.92 : 144,790.88 = 57,174.26 : x
  2. Step 2: Convert to fraction form
    104,920.92/144,790.88 = 57,174.26/x
  3. Step 3: Cross multiply
    104,920.92x = 144,790.88 × 57,174.26
  4. Step 4: Simplify right side
    104,920.92x = 8,278,310,408.92
  5. Step 5: Solve for x
    x = 8,278,310,408.92/104,920.92
  6. Step 6: Final answer
    x = 78,900.47

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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.