Home / 104,910.56-144,774.75-57,164.30

Finding the Fourth Proportional to 104,910.56, 144,774.75 and 57,164.30

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Solution

The fourth proportional to 104,910.56, 144,774.75 and 57,164.30 is: 78,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,910.56 : 144,774.75 = 57,164.30 : x
  2. Step 2: Convert to fraction form
    104,910.56/144,774.75 = 57,164.30/x
  3. Step 3: Cross multiply
    104,910.56x = 144,774.75 × 57,164.30
  4. Step 4: Simplify right side
    104,910.56x = 8,275,947,241.43
  5. Step 5: Solve for x
    x = 8,275,947,241.43/104,910.56
  6. Step 6: Final answer
    x = 78,885.74

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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.