Home / 76,039.89-104,933.57-42,049.59

Finding the Fourth Proportional to 76,039.89, 104,933.57 and 42,049.59

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Solution

The fourth proportional to 76,039.89, 104,933.57 and 42,049.59 is: 58,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,039.89 : 104,933.57 = 42,049.59 : x
  2. Step 2: Convert to fraction form
    76,039.89/104,933.57 = 42,049.59/x
  3. Step 3: Cross multiply
    76,039.89x = 104,933.57 × 42,049.59
  4. Step 4: Simplify right side
    76,039.89x = 4,412,413,385.49
  5. Step 5: Solve for x
    x = 4,412,413,385.49/76,039.89
  6. Step 6: Final answer
    x = 58,027.61

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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.