Home / 55,558.75-76,670.49-30,064.56

Finding the Fourth Proportional to 55,558.75, 76,670.49 and 30,064.56

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Solution

The fourth proportional to 55,558.75, 76,670.49 and 30,064.56 is: 41,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.75 : 76,670.49 = 30,064.56 : x
  2. Step 2: Convert to fraction form
    55,558.75/76,670.49 = 30,064.56/x
  3. Step 3: Cross multiply
    55,558.75x = 76,670.49 × 30,064.56
  4. Step 4: Simplify right side
    55,558.75x = 2,305,064,546.83
  5. Step 5: Solve for x
    x = 2,305,064,546.83/55,558.75
  6. Step 6: Final answer
    x = 41,488.78

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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.