Home / 104,768.75-144,580.46-57,022.49

Finding the Fourth Proportional to 104,768.75, 144,580.46 and 57,022.49

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Solution

The fourth proportional to 104,768.75, 144,580.46 and 57,022.49 is: 78,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,768.75 : 144,580.46 = 57,022.49 : x
  2. Step 2: Convert to fraction form
    104,768.75/144,580.46 = 57,022.49/x
  3. Step 3: Cross multiply
    104,768.75x = 144,580.46 × 57,022.49
  4. Step 4: Simplify right side
    104,768.75x = 8,244,336,826.53
  5. Step 5: Solve for x
    x = 8,244,336,826.53/104,768.75
  6. Step 6: Final answer
    x = 78,690.80

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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.