Home / 55,361.45-76,376.76-34,103.81

Finding the Fourth Proportional to 55,361.45, 76,376.76 and 34,103.81

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Solution

The fourth proportional to 55,361.45, 76,376.76 and 34,103.81 is: 47,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361.45 : 76,376.76 = 34,103.81 : x
  2. Step 2: Convert to fraction form
    55,361.45/76,376.76 = 34,103.81/x
  3. Step 3: Cross multiply
    55,361.45x = 76,376.76 × 34,103.81
  4. Step 4: Simplify right side
    55,361.45x = 2,604,738,511.46
  5. Step 5: Solve for x
    x = 2,604,738,511.46/55,361.45
  6. Step 6: Final answer
    x = 47,049.68

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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.