Home / 104,936.51-144,812.34-57,189.85

Finding the Fourth Proportional to 104,936.51, 144,812.34 and 57,189.85

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Solution

The fourth proportional to 104,936.51, 144,812.34 and 57,189.85 is: 78,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,936.51 : 144,812.34 = 57,189.85 : x
  2. Step 2: Convert to fraction form
    104,936.51/144,812.34 = 57,189.85/x
  3. Step 3: Cross multiply
    104,936.51x = 144,812.34 × 57,189.85
  4. Step 4: Simplify right side
    104,936.51x = 8,281,795,640.72
  5. Step 5: Solve for x
    x = 8,281,795,640.72/104,936.51
  6. Step 6: Final answer
    x = 78,921.96

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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.