Home / 55,776.27-76,896.97-40,449.05

Finding the Fourth Proportional to 55,776.27, 76,896.97 and 40,449.05

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Solution

The fourth proportional to 55,776.27, 76,896.97 and 40,449.05 is: 55,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.27 : 76,896.97 = 40,449.05 : x
  2. Step 2: Convert to fraction form
    55,776.27/76,896.97 = 40,449.05/x
  3. Step 3: Cross multiply
    55,776.27x = 76,896.97 × 40,449.05
  4. Step 4: Simplify right side
    55,776.27x = 3,110,408,898.77
  5. Step 5: Solve for x
    x = 3,110,408,898.77/55,776.27
  6. Step 6: Final answer
    x = 55,765.81

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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.