Home / 76,161.06-105,102.38-41,705.63

Finding the Fourth Proportional to 76,161.06, 105,102.38 and 41,705.63

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Solution

The fourth proportional to 76,161.06, 105,102.38 and 41,705.63 is: 57,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,161.06 : 105,102.38 = 41,705.63 : x
  2. Step 2: Convert to fraction form
    76,161.06/105,102.38 = 41,705.63/x
  3. Step 3: Cross multiply
    76,161.06x = 105,102.38 × 41,705.63
  4. Step 4: Simplify right side
    76,161.06x = 4,383,360,238.36
  5. Step 5: Solve for x
    x = 4,383,360,238.36/76,161.06
  6. Step 6: Final answer
    x = 57,553.82

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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.