Home / 104,920.56-144,788.49-57,174.30

Finding the Fourth Proportional to 104,920.56, 144,788.49 and 57,174.30

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Solution

The fourth proportional to 104,920.56, 144,788.49 and 57,174.30 is: 78,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,920.56 : 144,788.49 = 57,174.30 : x
  2. Step 2: Convert to fraction form
    104,920.56/144,788.49 = 57,174.30/x
  3. Step 3: Cross multiply
    104,920.56x = 144,788.49 × 57,174.30
  4. Step 4: Simplify right side
    104,920.56x = 8,278,180,563.81
  5. Step 5: Solve for x
    x = 8,278,180,563.81/104,920.56
  6. Step 6: Final answer
    x = 78,899.51

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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.